It was impossible for the whales to escape and move south --------/?No.it is not .The ice stretched for kilometers aroud them .A.was it B.was not it C.were they 为什么?

It was impossible for the whales to escape and move south --------/?No.it is not .The ice stretched for kilometers aroud them .A.was it B.was not it C.were they 为什么?
It was impossible for the whales to escape and move south --------/?
No.it is not .The ice stretched for kilometers aroud them .
A.was it B.was not it C.were they 为什么?

It was impossible for the whales to escape and move south --------/?No.it is not .The ice stretched for kilometers aroud them .A.was it B.was not it C.were they 为什么?
B,反义疑问句和主句是相反的,主句是肯定句,那么反义疑问句就是否定句
主句的主语是it,那么反义疑问句的主语也是it
时态是过去式,所以是 was not it?
也可以根据答句的主语判断.

b 这是反义疑问句 除了 主语是i 其他的的主语如she they it 都要否定他们后面跟着的谓语 所以 was→→was not it

B 翻译疑问句的标准格式，陈述部分主语是it，谓语是was，因此选B

A 因为impossible是否定意思的形容词·变成反义疑问句时要用肯定形式

鲸不可能逃脱，并移动，是吧？
是的，不可能，因为它的周围有几千米的冰面。