________ otherwise directed by a doctor,this medicine should be taken three times a day.A IfB UntilC UnlessD Although为什么答案是C呢?如果翻译的话好像不太对头嘛,我觉得A比较好.

________ otherwise directed by a doctor,this medicine should be taken three times a day.A IfB UntilC UnlessD Although为什么答案是C呢?如果翻译的话好像不太对头嘛,我觉得A比较好.
________ otherwise directed by a doctor,this medicine should be taken three times a day.
A If
B Until
C Unless
D Although
为什么答案是C呢?如果翻译的话好像不太对头嘛,我觉得A比较好.

________ otherwise directed by a doctor,this medicine should be taken three times a day.A IfB UntilC UnlessD Although为什么答案是C呢?如果翻译的话好像不太对头嘛,我觉得A比较好.
对啊,unless是除非的意思.除非医生有特别交代,否则就按一天三次来.
用if来表示如果时,翻译不通：如果医生有另外的交代,这个药按什么什么的.（既然有了另外的交代,说明后面的内容应该不被执行才对,与已有的语句矛盾.）你把后面这句的内容理解成前面医生的遗嘱了吧.是理解错误了.

unless 是除非的意思啊~

除非的意思了