The e-mail server will be down______between 9:30 and 10:00 p.m. on Wednesday so that we can upgrade the softwarE.
A.permanently
B.immediately
C.temporarily
D.successfully

A.m.
B.
A.permanently
B.immediately
C.temporarily

【参考答案】

C
解析：从上下文我们可以看出句子大意是说晚上9点30分到10点之间服务器会有短暂的中止，查看四个选项，能够使文......

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