- Mum, why do you give me so much popcorn? - the boring time. A. Kill B. Killing

— Mum, why do you give me so much popcorn?

　 — _____ the boring time.

　 A. Kill B. Killing　 C. To kill　 D. Having killed

试题答案

C

why引导的特殊疑问句通常可用不定式短语来回答。