问题
选择题
The doctor ______ she sent her friend is very famous.
A．to whom
B．to whose
C．whom
D．at whom
答案
答案：A
考查定语从句，先行词是the doctor，定语从句中sent her friend 后面是to sb，用to whom引导，句意：她把朋友送去的医生是很有名的。选A。
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