单项选择题

What is the probable relationship between the two speakers

A．Salesman and customer.
B．Doctor and nurse.
C．Doctor and patient.
D．Patient and patient.
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单项选择题
A bride can ________if she finds her marriage gift useless.
A．ask for another gift
B．exchange it for something useful
C．return it to the giver
D．just keep it
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