【题目】Having retired from business, he now ________himself with the welfare of the disabled.
A. adapts B. charges
C. associates D. occupies
在线课程【答案】D
【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。