It’s important for the figures regularly.
A. to be updated
B. to have been updated
C. to update
D. to have uodated
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(答案→)A. to be updated
B. to have been updated
C. to update
D. to have uodated
解析：考察固定搭配和语态。It’s important for to do/be done是固定用法，数字the figures被更新。选A。