【题目】Sorry for not having got what you wanted．She kept her mouth shut and just said __________．
A． that’s her feet of clay
B． a little bird told her
C． she wanted to kill the fatted calf
D． she was the salt of the earth
在线课程【答案】B
【解析】句意：她三缄其口，只是说“这是小鸟告诉她的（开玩笑口吻避免透露消息来源）”。根据句意可知选B。