The old man sat in front of the television every evening, happy anything that happened to be on.
A. to watch
B. watching
C. watched
D. to have watched
网友回答
(答案→)A. to watch
B. watching
C. watched
D. to have watched
解析：
本题考查非谓语动词用法。句意：这位老人每天晚上总是坐在电视机的前面，非常高兴的看电视上所播放的节目。watch的逻辑主语是指人，主动关系，又根据固定词组be happy to do sth 高兴做某事。故选A