【单选题】
Clerk: Good morning. Can I help you
Mr. Smith: Yes, I'd like a ticket to New York 9: 15 tomorrow morning.
Clerk: ______
Mr. Smith: Single, please.
A.Single or two
B.Single or return
C.Single or double
D.Single or back
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根据网考网移动考试中心的统计,该试题:
43%的考友选择了A选项
52%的考友选择了B选项
3%的考友选择了C选项
2%的考友选择了D选项