—Do you let your kids travel by themselves at night?

—________! It couldn’t be more dangerous.

A．Of course

B．Not at all

C．Absolutely not

D．I’m not sure.

心肌梗死起病1～2周后的并发症主要是（）

A． * * 肌功能不全

B．心室壁瘤

C．栓塞

D．心肌梗死后综合征

E．心脏破裂