---Will you join us playing basketball after school? ---_____, but I promise to go swimming with .
A.My pleasure. B. Many thanks.C. Take it easy. D. Never mind.我认为答案应该为B.因为是回答别人的邀请。而A答案一般是用来回答别人的感谢时的用语,相当于It✀s my pleasure. or It✀s a pleasure. 既然是婉拒,首先就要表示感谢 .这就是英语