Mr. Smith thinks running is than gymnastics.A. very popularB. more popularC. most popular

问题补充：

Mr. Smith thinks running is than gymnastics.

A. very popular

B. more popular

C. most popular

D. the most popular

答案：

A. very popular

(答案→)B. more popular

C. most popular

D. the most popular

解析：句意：史密斯现在认为跑步比体操更受欢迎。结合语境可知本句中表示在两者事物中进行对比，故用形容词的比较级，选B。