The political situation in Libya will become even worse unless some measures .A. will be t

问题补充：

The political situation in Libya will become even worse unless some measures .

A. will be taken

B. are taken

C. have taken

D. are to take

答案：

A. will be taken

(答案→)B. are taken

C. have taken

D. are to take

解析：考查动词的时态语态：句意是：利比亚的形势会更糟，除非采取一些措施，主句是将来时，unless引导的时间状语从句要用一般现在时代替一般将来时，而且measures和take是被动关系。选B。