总归是aren't , 没有悬念呀！！！！！！！！！！！！

我也觉得是后者,aren't! pears or apples 都是可数的

考过这样的题目
There are some pears and apples on the trees.改为否定句及一般疑问句,答案是
There aren't  any pears or apples on the trees.及Are there any pears or apples on the trees?
考点是some改为any, and改为or.