there______great changed in our city in the past ten years.A are B were C had Dhave been
问题描述：
there______great changed in our city in the past ten years.A are B were C had Dhave been
告诉我选项的原因 ,.为什么要选该选项,
非常感谢的.
答
选D.原因：一直发生持续到现在的事用现在完成时.