It was _____ back home after the experiments.[ ]

A. not until midnight did he go

B. until midnight that he didn't go

C. not until midnight that he went

D. until midnight when he went

血液的主要生理功能包括（）。

A.悬浮稳定、黏滞性、凝固性等功能

B.运输、协调等功能

C.运输、协调、防御、维持机体内环境稳定等功能

D.悬浮稳定、协调和防御功能等功能

E.运输、协调、维持机体内环境稳定等功能