--- busy schoolwork, the children also have to take arts, music and
sports classes in their free time.
--- I wonder what they will bee.
A. Rather than
B. Expect for
C. Apart from
D. Owing to
网友回答
A. Rather than
B. Expect for
(答案→)C. Apart from
D. Owing to
解析：考查短语辨析。Rather than 而不是，Owing to 由于，Apart from 除了，可包括进来也可排除，Expect for除了，排除不好的方面，句意：除了繁忙的学业之外，孩子们在业余时间也上艺术课，音乐课和运动课。所以是有包含的意思，选C。