--Will you join us to play basketball on Saturdy afternoon?
--- ,but I promised to go swimming with Eric.
A. Never mind
B. Many thanks
C. Take it easy
D. My pleasure
网友回答
A. Never mind
(答案→)B. Many thanks
C. Take it easy
D. My pleasure
解析：Never mind没有关系，不要记在心上；Many thanks非常感谢；Take it easy 放松点；My pleasure我很愿意。句意：周六下午你和我们去打篮球吗？根据下文，但是我许下和艾瑞克去游泳了。结合语境可知选B。