题目

— I’d like to invite you to our party this weekend.  — Thank you, but _________I’ll have time I’m not sure at the moment.   A. whether     B. what    C. when     D. that 答案：A 点P(1，3)在反比例函数y＝(k≠0)的图象上，则k的值是 [　　] A． B．3 C．－ D．－3