-There is nobody here. Let’s play football.

-No, we can’t. My father often tells me ____ in the street. It’s dangerous.[ ]

A. to play

B. don’t play

C. not to play

D.playing

烧伤休克的特点（）

A．有效循环量迅速减少

B．血液有形成分大量破坏

C．有效循环量减少逐渐发生

D．血液中电解质变化不明显

E．快速补液可迅速纠正