词汇选项
Frieden called on students ______ are home sick to stay home for 48 hours after their symptoms subside.
A.whom
B.which
C.where
D.who
【正确答案】D
【答案解析】这是一个定语从句，用来修饰先行词students， 因为先行词在从句中充当的是主语，而且是人，因此用who.
词汇选项
Frieden called on students ______ are home sick to stay home for 48 hours after their symptoms subside.
A.whom
B.which
C.where
D.who
【正确答案】D
【答案解析】这是一个定语从句，用来修饰先行词students， 因为先行词在从句中充当的是主语，而且是人，因此用who.
