题目内容：
M：Sarah, you work in the admissions office, don' t you?W：Yes, I' ve been here ten years as assistant director.
M：___10___
W：Well, I’m in charge of all the admissions of postgraduate students in the universit.
M：___11__
W：Yes, postgraduates only. ___12___
M：Do you find that you get particular-sort of... A．I have nothing at all to do with undergraduates.
B．Really? What does that involve?
C．Only postgraduates?
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