儿童皮肤和肺蒸发的水分为“不显性失水”，是调节人体体温的一项重要措施，此年龄的失水量为每小时多少毫升／每千克体重（）

A.2.0～2.5

B.1.0～1.6

C.0.8～1.0

D.0.6～0.7

E.0.5～0.6

The girl was quite angry ______ his boy friend for his being late.

A．for

B．on

C．with

D．at