由于大动脉弹性减退，脉搏传导速度增快，反射波抵达中心大动脉的时相从舒张期提前到收缩期，出现收缩期延迟压力波峰。试分析可导致什么变化（）

A.舒张压升高

B.脉压增大

C.舒张压降低

D.收缩压升高

E.脉压不变

A: I’m awfully sorry. I hope I haven’t spoiled it.
B: ().

A. Oh, it’s nothing. Don’t let a little thing like that worry you.

B. I know you are unintentional. Just be more careful next time.

C. There is no need for you to say sorry. Anyway, I can buy a new one.

D. You are right. You haven’t spoiled it. You see, it’s still in good condition.