Is it in your opinion possiblenew measures will be taken to improve the terrible traffic

问题补充：

Is it, in your opinion, possiblenew measures will be taken to improve the terrible traffic?

A. whether

B. that

C. when

D. what

答案：

A. whether

(答案→)B. that

C. when

D. what

解析：考察强调句型。本题考察的是强调句型，强调的是in your opinion这个介词短语。把it is和that去掉，本句仍然是成立的。故B正确。