—Let’s meet on Sunday?—I want to meet you but I am really busy.A. Is that right B. Is

问题补充：

—Let’s meet on Sunday. ?—I want to meet you, but I am really busy.

A. Is that right B. Is it right C. Is that OK with you

答案：

解析：句意：我们星期天见面，这样好吗？我想见你，但是我真的很忙。It为形式主语，that意为“那个，那件”，多表示特指；故选C。