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what to choose?_____her mother had come ,her face lit up.A.Hearing B.Having heared C.When hearing D.When she heared.

题目详情
what to choose?
_____her mother had come ,her face lit up.
A.Hearing B.Having heared C.When hearing D.When she heared.
▼优质解答
答案和解析
D
因为后面主句是her face 做主语,而前面的从句是人做主语,所以从句主语不能省略,只能选D