The installation should be commenced as soon as all the remaining problems have been cleared up.
A、待剩下的问题都解决之后就立即开始安装了。
B、待剩下的问题都解决之后就应立即开始安装。
C、所有遗留问题解决后，应立即开始安装。
D、所有遗留问题解决后，立即开始安装了。
【正确答案】：B
【题目解析】：p83
The installation should be commenced as soon as all the remainin
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