有这样一道选择题：While Jimmy _______ the CD, his father came home.
A. was watching
B. was hearing
C. was listening to
D. bought
参考答案是C，即选 was listening to，但我认为是 C 和 A，即选 was listening to 和 was watching 都可以，因为 the CD 可以“听”，也可以“观看”。

请问其他专家和网友的看法怎样？