______howcloseshewasstandingtotherailwaytracks,thegirlw...

问题详情：

______ how close she was standing to the railway tracks, the girl was hit by the train and died on the spot.

A. Having not realized          B. Not having realized

C. Not realizing                D. Not to realize

【回答】

B

知识点：非谓语动词

题型：选择题