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.

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.

选D.原因:一直发生持续到现在的事用现在完成时.