Having retired from business,he now himself with the welfare of the disabled.
A. adapts
B. charges
C. associates
D. occupies
网友回答
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。