—Would you like to come to dinner tonight?—I’d like to, I’m too busy.A. andB. soC. asD. b

—Would you like to come to dinner tonight?
—I’d like to, I’m too busy.
A. and
B. so
C. as
D. but

A. andB. soC. as(答案→)D. but解析：D。but表转折，符合语意。而表并列的and，结果的so，原因的as都不符合句意。

这个问题的回答的对