— Which do you think is subject, math, music or art?
— Art, I guess.
A. interesting
B. more interesting
C. most interesting
D. the most interesting
网友回答
A. interesting
B. more interesting
C. most interesting
(答案→)D. the most interesting
解析：考查形容词的最高级。这里是math, music or art 三者做比较，故用最高级。