高等继续教育 / 大学英语I
正确率：100%
题型描述: 单选题
_ _ _ _ _ she was invited to the hall made her very happy.
A. If
B. Because
C. That
D. When
_ _ _ _ _ she was invited to the hall made her very happy.
A. If
B. Because
C. That
D. When
参考答案：