113. 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.
(A) colder and wetter than was usual in some regions, which slowed
(B) which was colder and wetter than usual in some regions, slowing
(C) since it was colder and wetter than usually in some regions, which slowed
(D) being colder and wetter than usually in some regions, slowing（B）
(E) having been colder and wetter than was usual in some regions and slowed
我记得在比较时间状语的时候，不是应该要把比较的部分补全吗？比如：United States have more population than 100 years ago. 就不对，应该说United States have more population than it had 100 years ago. 为什么这里就可以直接说then ususal?
有点糊涂了，请NN指点…… | 
