–Who is boy in a red cap?He is Tom. He is good at playing basketball.A. the /B. the

问题补充：

–Who is boy in a red cap? --He is Tom. He is good at playing basketball.

A. the, /

B. the, the

C. a, a

D. a, /

答案：

(答案→)A. the, /

B. the, the

C. a, a

D. a, /

解析：原句意思是：那个戴红色帽子男孩是谁？他是汤姆。他擅长打篮球。男孩是定指“戴红帽子”的，用定冠词the，打篮球等体育活动的词前不用冠词，故选A。