—Sorry I didn't catch you.—Be quiet please; the baby .A. was sleepingB. is sleepingC. sl

问题补充：

—Sorry, I didn catch you.

—Be quiet, please; the baby .

A. was sleeping

B. is sleeping

C. slept

D. has slept

答案：

A. was sleeping

(答案→)B. is sleeping

C. slept

D. has slept

解析：B 考察时态。句义：—对不起，我没有听清楚。—请安静，那个孩子正在睡觉。由所设场景可知，那个孩子现在正在睡觉。所以使用现在进行时。