—I have got a bad cold. I feel terrible.

—              

A．All right.

B．Is that so?

C．Sorry to hear that.

D．I’m afraid so.

幼儿与婴儿相比（）

A.呼吸减慢

B.脉搏加快

C.咀嚼功能增强

D.精细动作发展

E.患病机会增多