My son,DingDing,is playing ( )hula hoop at Zijin Square A./ B.with C.a D.with a
问题描述：
My son,DingDing,is playing ( )hula hoop at Zijin Square A./ B.with C.a D.with a
答
D
理由 1 play with 是固定词组,玩.,摆弄.
2 呼啦圈是单数可数名词,前面可以加冠词a
供参考.