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
网友回答
(答案→)A. there being
B. it being
C. there is
D. it is
解析：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。