Some audience(观众) that it usually takes too long to watch the ads during the TV series .
A. explain
B. plain
C. claim
D. stand
网友回答
A. explain
(答案→)B. plain
C. claim
D. stand
解析：这题考查动词辨析：explain解释，plain 抱怨，claim 声称，stand忍受，句意是：一些观众，抱怨说在电视剧中要花很长时间等广告。选B。