Question

-Look! A man is standing on his two hands.
-Yes. It seems he_____ for long.
A. practiced            
B. has practiced                
C. was practicing

Answer 1

B

解析试题分析：句意：--看!一个男士正在倒立。--是的，似乎他练了很长时间了。根据语境可知这位男士从过去开始练习倒立一直到现在，所以应该用现在完成时。故选B。
考点：考查动词时态。