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
网友回答
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。