问题补充：
On leaving CCTV, Li Yong a teaching position at the Communication University of China.
A. took up
B. brought up
C. set up
D. called up
答案：
(答案→)A. took up
B. brought up
C. set up
D. called up
解析：A. took up开始，从事 B. brought up提出 C. set up 建立，设置 D. called up打电话；句意：一离开了央视，李咏就开始在中国传媒大学任教。根据句意，故选A
