Look,john has been playing on the playground for about 30 minutes and he still____A has done B is being done Cdoes Dis done 选择什么?

Look,john has been playing on the playground for about 30 minutes and he still____A has done B is being done Cdoes Dis done 选择什么?
Look,john has been playing on the playground for about 30 minutes and he still____
A has done B is being done Cdoes Dis done
选择什么?

Look,john has been playing on the playground for about 30 minutes and he still____A has done B is being done Cdoes Dis done 选择什么?
为什么刚才我打了那么多东西都不见了!
选C
B和D是被动态,不和提议
A是现在完成时,表过去做过,或从过去的某个时间点到现在一直在做什么,总的来说表达的是一个过去的动作或状态
题目句子的意思是
看,John已经在操场上玩了30分钟了,而且（现在）还在（玩）.
也就是说,他想要表达John现在仍旧在做这件事,应该是现在时
C里面does是一般现在时,代替plays符合题意,所以选他
（我的解释不一定完全正确,主要是我不太能把我自己的意思讲清楚,但是主要意思是没问题的,）

应该选D

C does .does代指play