单选题
A doctor, together with two nurses, ______ sent to the mountain village.
A、
have
B、
have been
C、
has
D、
has been
【正确答案】
D
【答案解析】
主语是单数，尽管后面跟有together with等引导的短语，谓语动词仍用单数形式。本句是被动句。
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