It is an abundance of cheap goods and quick delivery service ______ account for the fact that the

number of Internet shopping on this website is four times ______ it was last year.[ ]

A. that; that

B. which; what

C. what; that

D. that; what

下列做法中不违背医学伦理学无伤害（不伤害）原则的是（）

A.因急于手术抢救患者，未由家属或患者签手术同意书

B.发生故意伤害

C.造成本可避免的残疾

D.造成本可避免的病人自杀

E.造成本可避免的人格伤害