My uncle hasn’t been able to quit smoking but at least he has .A. cut outB. cut upC. cut

问题补充：

My uncle hasn’t been able to quit smoking, but at least he has .

A. cut out

B. cut up

C. cut down

D. cut off

答案：

A. cut out

B. cut up

(答案→)C. cut down

D. cut off

解析：A. cut out剪掉，B. cut up切碎，C. cut down砍倒，减少，D. cut off切断，句意：--我叔叔一直没能够戒烟，但是至少他减少了。根据句意选C。