The old professor has three sons，________are doctors.
#76978
A
all of them
B
all of whom
C
all of that
D
all of which
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—When did she get injured? —It was at midnight rain was pouring down.
#77826
A
where
B
that
C
what
D
when
I can think of many cases______ the media have a strong effect on young men.
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A
why
B
where
C
as
D
which
Is it He Long Sports Centre you are going to watch the football match?
#76567
A
where
B
that
C
which
D
when