The actor with whom I played the scene ______ for me beautifully, whispering the opening words of each of my lines, as did others in subsequent scenes.
 
【正确答案】 A
【答案解析】cover up for sb为某人掩盖错误或隐瞒罪行等。break up解散，瓦解。make up组成，构成。stir up惹起麻烦等。