---I’m taking a walk after supper.--- .
A. That’s all right.
B. That sounds great.
C. I’m sorry to hear that.
D. Thank you.
网友回答
A. That’s all right.
(答案→)B. That sounds great.
C. I’m sorry to hear that.
D. Thank you.
解析：情景交际。That’s all right.那好吧； That sounds great. 听起来不错；I’m sorry to hear that.很遗憾听到这个消息；Thank you.谢谢你。句意：我正在饭后散步。可知选B最符合语境。