He is a thoughtful and qualified father; He some time every day to read to his children.A.

问题补充：

He is a thoughtful and qualified father; He some time every day to read to his children.

A. sets down

B. sets off

C. set out

D. set aside

答案：

A. sets down

B. sets off

C. set out

(答案→)D. set aside

解析：句意：他是一位细心称职的父亲, 他每天留出一些时间给孩子们读书。set aside意思为 “节省或保留时间”。set down放下；记下；set off出发；使爆炸；set back把（钟表指针）往回拨。