Having retired from business he nowhimself with the welfare of the disabled.A. adaptsB. ch

问题补充：

Having retired from business,he nowhimself with the welfare of the disabled.

A. adapts

B. charges

C. associates

D. occupies

答案：

A. adapts

B. charges

C. associates

(答案→)D. occupies

解析：考查动词：A. adapts适应B. charges 要价，指责C. associates 联系D. occupies占据，occupy oneself with忙于，句意：从公司退休后，他现在忙于残疾人的福利事业。选D。