It was not until Susan came back ______her close friends were waiting for him. 
#84823
A
which she knew
B
which did she know
C
that she knew
D
that did she know
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Why!I have nothing to confess(坦白) .  ______ you want me to say?
#84948
A
What is it that
B
What it is that
C
How is it that
D
How it is that