—What sports is Tony interested in ?— basketball .A. PlayB. PlaysC. PlayingD. To play

问题补充：

—What sports is Tony interested in ?

— basketball .

A. Play

B. Plays

C. Playing

D. To play

答案：

A. Play

B. Plays

(答案→)C. Playing

D. To play

解析：此题考查动名词短语。