Special attention should be to air pollution wherever the factory will be built.A. madeB

问题补充：

Special attention should be to air pollution wherever the factory will be built.

A. made

B. paid

C. taken

D. sent

答案：

A. made

(答案→)B. paid

C. taken

D. sent

解析：考查固定词组的被动语态。Pay attention to sth注意到…；本句是其被动语态，故B正确。句意：无论工厂建在那里，应该特别注意空气污染。故B正确。