How I wish I could sleep longer! However I had to get up as soon as the alarm clock . A.

问题补充：

How I wish I could sleep longer! However, I had to get up as soon as the alarm clock .

A. ran off B. went off C. took off

答案：

解析：考查固定短语。句意“我多希望能睡久一点！然而，闹钟一响，我就不得不起床。”A“跑开”；B“爆炸，离开，（闹钟）响”；C“起飞，脱下”。故选B。