—Will you go to Mary’s birthday party?—No invited I can’t go to it because I’ll be too

问题补充：

—Will you go to Mary’s birthday party?

—No, invited, I can’t go to it because I’ll be too busy then.

A. whether

B. even if

C. unless

D. when

答案：

A. whether

(答案→)B. even if

C. unless

D. when

解析：考查连词。even if即使。我那时将很忙，即使她邀请我，我也不会去的，故选B。