题目

 Last month I went to the UK for a holiday, I first _____ in London for a week then I went to Edinburgh and other cities.   A. stay               B. have stayed          C. had stayed           D. stayed 答案：D蝗虫的个体发育过程，要经过卵、    和成虫三个时期，像这样的发育过程于叫做    ．