问题
选择题
This is a picture of Dr. Yuan, a scientist ____ is well known in our country.
A．which
B．who
C．whom
D．whose
答案
答案：B
考查定语从句。先行词a scientist为从句的逻辑主语，故引导词用who，故选B。
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This is a picture of Dr. Yuan, a scientist ____ is well known in our country.
A．which
B．who
C．whom
D．whose
答案：B
考查定语从句。先行词a scientist为从句的逻辑主语，故引导词用who，故选B。