–It’s hard for me to go to sleep.–Try to the amount of coffee you drink during the day.A

问题补充：

–It’s hard for me to go to sleep.

–Try to the amount of coffee you drink during the day.

A. cut up

B. cut in

C. cut down

D. cut off

答案：

A. cut up

B. cut in

(答案→)C. cut down

D. cut off

解析：考查词组：A. cut up切碎B. cut in插话C. cut down减少D. cut off切断，句意：我很难入睡。尽量减少白天喝的咖啡量。选C。