what changes___in your life?A.is there B.are there C.have been there D.have there been

what changes___in your life?A.is there B.are there C.have been there D.have there been
what changes___in your life?A.is there B.are there C.have been there D.have there been

what changes___in your life?A.is there B.are there C.have been there D.have there been
D现在完成时已经发生了,倒装

这里需要用现在完成时，所以在C和D之间选，而C一看就是个错选项 故选D

选D ，CHANGES 这里可数 ，B的话提问应该是HOW MANY