in writing a lecture speech on AIDS prevention , she has no time to attend to her sick mother .
A. Occupied
B. Occupying
C. To be absorbed
D. Absorbing
网友回答
(答案→)A. Occupied
B. Occupying
C. To be absorbed
D. Absorbing
解析：形容词用法。固定词组be absorbed in忙于，致力于；本题是absorbed in…说明主语she的情况；句意：致力于写关于艾滋病预防的演讲稿，她没有时间去照顾生病的妈妈。故A正确。