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Why do you think they had not a backup computer?

A、Because it was easy down.

B、Because it was very expensive.

C、Because it was not advanced enough.

D、Because it was not as big as the main computer.

时间：2021-07-23 05:08 关键词：

答案解析

B
38．答案为B  根据各选项的比较及逻辑推断，没有备用电脑可能是经费问题，得出此题的答案为B。