Question

—Mom，dad is smoking again!

Answer 1

B

考查短语辨析。cut off 中断cut down 减少，削减，cut up 切碎，cut out 删掉，句意：妈妈，爸爸又吸烟了。好吧。让他逐渐减少吸烟吧因为旧习惯很难除去。故选B。