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题库 / OG2017V-SC-256
Analysts blamed May's sluggish retail sales on unexciting merchandise as well as the weather, colder and wetter than was usual in some regions, which slowed sales of barbecue grills and lawn furniture
colder and wetter than was usual in some regions, which slowed
which was colder and wetter than usual in some regions, slowing
since it was colder and wetter than usually in some regions, which slowed
being colder and wetter than usually in some regions, slowing
having been colder and wetter than was usual in some regions and slowed
还没有题目讲解（毕出老师会陆续发布对官方考题的解读，请保持关注）。
1. DE：being colder, having been colder, 修饰analysts,错误。D，usually（副词）和前面的colder（形容词）不平行
2. C：usually错误同D，which指代regions，错误
3. A： was usual，was多余；which指代不清
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