It’s important for the figures regularly .A. to be updatedB. to have been updatedC. to upd

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(答案→)A. to be updated
B. to have been updated
C. to update
D. to have updated
解析：考查不定式的复合结构。不定式的复合结构：for sb to do sth。根据句意说明使用被动语态。句意：数据经常被更新是很重要的。故A正确。