问题补充：
Jack thinks English is more interesting than math.
A. Jack thinks math is less interesting than English.
B. Jack thinks math is much interesting than English.
C. Jack thinks English is as interesting as math
D. Jack thinks English is much interesting as math
答案：
(答案→)A. Jack thinks math is less interesting than English.
B. Jack thinks math is much interesting than English.
C. Jack thinks English is as interesting as math
D. Jack thinks English is much interesting as math
解析：句意：杰克认为英语比数学更有趣。A. Jack thinks math is less interesting than English.杰克认为数学不如英语有趣。这两句话是同一个意思，故选A。
