It is important for the figures ------reguarly A to be updated B to have been updated C to update D to have updated
问题描述：
It is important for the figures ------reguarly
A to be updated B to have been updated C to update D to have updated
答
A to be updated 数据要经常更新，被更新
答
It is important for the figures ------reguarly
A to be updated B to have been updated C to update D to have updated
选A
考察的是非谓语
首先因为be important to do sth,所以确定用的是不定式
又因为【figure】数据是被更新,所以用被动
所以选A