Please tell me the after service of the puter; I’m worried about a breakdown sometime．
A.there being
B.it being
C.there is
D.it is
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A解析试题分析：考查动名词的复合结构：句意：请告诉我电脑的后期服务，我很担心有时会有死机。介词about后面接动名词，there be句型中there是主语，所以用there being，there做动名词的逻辑主语，选A。考点：考查动名词的复合结构