高等继续教育 / 大学英语II
正确率：100%
题型描述: 单选题
Mary looks unhappy because she has ＿＿＿＿＿＿ by her classmates.
A.laughed
B.laughed at
C.been laughed
D.been laughed at
Mary looks unhappy because she has ＿＿＿＿＿＿ by her classmates.
A.laughed
B.laughed at
C.been laughed
D.been laughed at
参考答案：