Ellen was a painter of birds and nature, , for some reason, had withdrawn from all human society.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
网友回答
A. which
(答案→)B. who
C. where
D. whom
解析：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。