问题
选择题
His shop was so well managed that he sold in just 5 months ________ his competitor sold in a year.
A．how
B．what
C．whether
D．why
答案
答案：B
B 考察名词性从句。What引导宾语从句。句意：他的商店经营地如此好以至于他在5个月里就销售了他的对手一年多的销售量。故B正确。
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