问题补充：
His family TV at home now.
A. are looking
B. is watching
C. are watching
D. is seeing
答案：
A. are looking
B. is watching
(答案→)C. are watching
D. is seeing
解析：由句子后的now 可以看出来应该用现在进行时，而看电视是watch TV ，所以排除了A和D,根据句子的意思应该是“他的家人现在正在家里看电视”，要用be动词中的are.故选C.
