问题
选择题
A good friend of mine from ________ I was born showed up at my home right before I left for Beijing.[ ]
A. how
B. whom
C. when
D. which
答案
答案：C
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A good friend of mine from ________ I was born showed up at my home right before I left for Beijing.[ ]
A. how
B. whom
C. when
D. which
答案：C