根据语境或句意，从各题括号中选择一个词填空，使句子意思正确。

1. "What would you do if you cut ______ by accident?" "I should cover the cut and press it hard."

    (yourself, yourselves)

2. Black September is a very ______ thriller, but I think it's boring. (success, successful)

3. "Shall I get some flowers for my mom?" "No, that's not special ______." (enough, too)

4. Jenny's mother asked her ______ out on school nights. It was not safe to go outside. (to go, not to go)

5. To Kevin's ______ he found so many people playing beach volleyball in very hot weather.

    (surprised, surprise)

颅内动脉CTA扫描开始时间为肘静脉注射对比剂后（）

A.5～10秒

B.15～20秒

C.25～30秒

D.35～40秒

E.45～50秒