题目选项分析

Analysts blamed May's sluggish retail sales on unexciting merchandise as well as the weather, which was colder and wetter than usual in some regions,slowing sales of barbecue grills and lawn furniture

Analysts blamed May's sluggish retail sales on unexciting merchandise as well as the weather, having been colder and wetter than was usual in some regions and slowed sales of barbecue grills and lawn furniture