—Would you like to join us in the barbecue this Friday afternoon?—Sorry .A. I’d love toB

问题补充：

—Would you like to join us in the barbecue this Friday afternoon?

—Sorry, .

A. I’d love to

B. I’ll be tied up then

C. it all depends

D. I’m not interested

答案：

A. I’d love to

(答案→)B. I’ll be tied up then

C. it all depends

D. I’m not interested

解析：考查情景交际。句意：--这个周五下午你想和我们一起烧烤吗？--对不起，我有事要忙。A我愿意；B我那时会忙得不可开交；C视情况而定；D我没兴趣，根据sorry可排除A、C，D项不太礼貌，B项“到时候我会很忙”是委婉拒绝，故选B。