It's important for the figures regularly. A. to be updated B. to have been updat

It's important for the figures ________ regularly.

A. to be updated 

B. to have been updated

C. to update 

D. to have updated

试题答案

A

the figures与update之间为被动关系，故用不定式的被动式。句意：“定期地更新数据是很重要的。”故选A项。