----Putting on a happy face not only helps to make friends, but also makes us feel better.
---- .
A. I’d love to
B. It’s up to you
C. I’m with you on that
D. It’s my pleasure
网友回答
A. I’d love to
B. It’s up to you
(答案→)C. I’m with you on that
D. It’s my pleasure
解析：考查情景交际。句意：——面带笑容不仅帮助我们交朋友而且也使我们感觉更好些。——我同意你的观点。A我想要B由你决定C我同意你的观点D很乐意。故选C