Many young people become interested in playing football because of the World Cup.A. theB.

问题补充：

Many young people become interested in playing football because of the World Cup.

A. the

B. 不填

C. a

D. an

答案：

A. the

(答案→)B. 不填

C. a

D. an

解析：play后跟球类运动football，在英文中，不加冠词，不填，故本题选B。