. --- Would you like to join us in the game?--- but I have something important to attend

问题补充：

. --- Would you like to join us in the game?

--- , but I have something important to attend to.

A. I will

B. I’d love to

C. I won’t

D. I’m afraid not

答案：

解析：在英文中对于别人的邀请，我们不愿意可以首先用我很愿意，然后用but表示转折，I’d love to表示我很愿意的意思，故本题选B。