To be able to catch up with the other students,he needs_____ hard work;he needs your encouragement,too.A.other than B.rather thanC.less than D.more thanA为什么不对,请解析,

To be able to catch up with the other students,he needs_____ hard work;he needs your encouragement,too.A.other than B.rather thanC.less than D.more thanA为什么不对,请解析,
To be able to catch up with the other students,
he needs_____ hard work;he needs your encouragement,too.
A.other than B.rather than
C.less than D.more than
A为什么不对,请解析,

To be able to catch up with the other students,he needs_____ hard work;he needs your encouragement,too.A.other than B.rather thanC.less than D.more thanA为什么不对,请解析,
考到几个词的意思区别
A:以外 B. 而不是 C. 小于,没有 D. 多于,不止

解析:
1.other than 除了…；除…之外 (常用于否定结构中)
There's nobody here other than me.
除了我这里没别人.
I have not studied foreign languages other than English.
除了英语外,我没学过其他外语.
She has no close friends other than him.
她除了他以外没有好朋友.
She seldom appears other than happy.
她总是看起来很幸福.
He never speaks to me other than to ask for something.
他除了向我要东西,从不跟我说话.
The old man wanted to see nobody other than his grandson.
除了他的孙子之外, 这个老人谁也不想见.
This is no other than my old friend, John.
这位不是别人,正是我的老朋友约翰.
The tall figure that you saw was none other than our manager.
你所见的那位身材魁梧的先生不是别人正是我们的经理.
He has no friend other than you.
他除你之外就没有别的朋友了.
2.More than的用法
A. “More than＋名词”表示“多于……”、“非但……尤其是”如：
1) Modern science is more than a large amount of information.
2) Jason is more than a lecturer; he is a writer, too.
● B. “More than＋数词”含“以上”或“不止”之意,如：
3) I have known David for more than 20 years.
4) Let's carry out the test with more than the sample copy.
● C. “More than＋形容词”等于“很”或“非常”的意思,如：
5) In doing scientific experiments, one must be more than careful with the instruments.
6) I assure you I am more than glad to help you.
● D. 在“More...than...”中,肯定“more”后面的而否定“than”后面的,约等于“是……而不是……”如：
7) The difference between pure linguistics and applied linguistics is more apparent than real.
8) This book seems to be more a manual than a text.
9) Catherine is more diligent than intelli-gent.
10) Hearing the loud noise, the boy was more surprised than frightened.
● F. “No more...than...”表示“不……；不如……”,如：
14) I can no more do that than anyone else.
15) A learner can no more obtain knowledge without reading than a farmer can get good harvest without ploughing.”
“No more…...than...”的语义,也可用“not any more than...”来取代,因此 15 可以变成 16.
16) A learner cannot... any more than ...”同样的, 17可以变成 18：
17) Dr Hu is no more a poet than Dr Wu is a philosopher.
18) Dr Hu is not a poet any more than Dr Wu is a philosopher.
此外,“more than”也在一些惯用语中出现,如：
19) More offen than not （经常）,people tend to pay attention to what they can take rather than what they can give.
20) All of us are more than a little concerned about（非常关心）the current economic problems.

比较级，他需要更努力，

D.more than-------不仅,..而且..
A.other than-------是...,而不是....