【题目】—What's your brother doing?—He computer games.A.playsB.playC.is playingD.playing
【答案】C【解析】问句 What's your brother doing? 用的是现在进行时,故答句也用现在进行时,现在进行时的构成是 be +doing,故选C。答句意思是:他正在玩电脑游戏。