根据《机电产品采购国际竞争性招标文件》的规定，下列文件中，不属于机电产品国际招标投标文件组成内容的是（）。

A.资格证明文件

B.投标保证金

C.履约保证金

D.开标一览表

The Greens _____ in Paris and now they _____ in China. They like China. [ ]

A. used to live; are used to living

B. are used to living; used to live

C. use to live; used to live

D. used living; used to living