题干
—We'll meet at the school gate. Is that clear?
—_________.
A：That's all right
B：You got it
C：Yes, I see
D：It's OK
答案(点此获取答案解析）
C
—We'll meet at the school gate. Is that clear?
—_________.
A：That's all right
B：You got it
C：Yes, I see
D：It's OK
是其中的一组，已知该组的频率为
，该组在直方图上的高为
，则
等于（ ）．
