题目内容：

[单选题]Look at (11) girl．(12) is my friend． She's (13) English． (14)name is Kate． She (15) a small sports collection． She has (16) ping-pong bat， two tennis (17) ， three basketballs (18) four soccer balls． Kate and l (19) sports (20) ．( )11．

A．a

B．an

C．the

D．/