单选题
A rocket might miss its target, by a "wide margin". This means the rocket missed the target ______.
A、
because of mechanical failure
B、
by a great deal
C、
by a small distance
D、
because the target moved
【正确答案】
B
【答案解析】
[解析] 本题可用排除法。A项“由于机械故障”，C项“距离短”，D项“因为目标移动”都不是文中所提原因。因此只有B项为正确答案。
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