题目：
.---Tom plays computer games too much.
--- That’s why his mother is __________ his eyesight.
A．worried about
B．surprised at
C．interested in
D．proud of
答案：
答案：A
题目分析: 句意：汤姆玩太多的电子游戏。那就是为什么他妈妈担心他的视力的原因。worried about担心，surprised at吃尺， interested in感兴趣，proud of自豪。根据Tom plays computer games too much汤姆玩太多的电子游戏，可知是担心他的视力，故选A.
