— How long have you been here？— the end of last month，A. InB. ByC. AtD. Since

发布时间：2020-08-17 14:36:16

— How long have you been here？
—      the end of last month，
A. In
B. By
C. At
D. Since

网友回答

A. In
B. By
C. At
(答案→)D. Since
解析：since引导的介词短语和现在完成时连用
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