单选题
The phrase "on the brink of a boom" (in boldface in Paragraph 2) in the context means ______.
A、
having an edge in competition
B、
in great demand
C、
on the way to success
D、
preparing for challenge
【正确答案】
C
【答案解析】
on the brink of a boom字面意思是“处在繁荣的边缘”，所以C(正走向成功)正是其比喻含义。
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