Our son doesn't know what to ________ at the university; he can’t make up his mind about his future.
A、take in
B、take up
C、take over
D、take after
【正确答案】：B
【题目解析】：take up开始；开始从事；占去；接收；take in欺骗；接受；理解；吸收；take after与相像；与…相象；与…相像；像；take over 接收,接管;接任;接办。句意：我们的儿子不知道在大学里学什么;他对未来还拿不定主意。