单选题
13.
A new laptop costs about______of a second-hand one.
A、
the price of three times
B、
three times the price
C、
as much as the three times price
D、
three times more than the price
【正确答案】
B
【答案解析】
句意：一台新的手提电脑的价格是二手电脑的三倍。答案是B。
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