问题
选择题
Ellen was a painter of birds and nature, _____, for some reason, had withdrawn from all human society.
A．which
B．who
C．where
D．whom
答案
答案：B
题目分析：考查定语从句：句意：Ellen是鸟和自然的画家，因为某个原因已经和人类社会脱离了。这句话用了定语从句，先行词是a painter，定语从句中缺少主要a painter，用who引导定语从句，选B。