He began to take political science only when he left school.
A. strictly
B. truly
C. carefully
D. seriously
网友回答
A. strictly
B. truly
C. carefully
(答案→)D. seriously
解析:考查副词:A.strictly 严格地,B.truly真实地,C.carefully仔细地,D.seriously严肃地,take sth seriously认真对待…,句意:只有在他离开学校后,他才开始认真对待政治科学。选D。