Which of the following sentences is INCORRECT?A.It was John that wore his best suit last n

Which of the following sentences is INCORRECT？

A．It was John that wore his best suit last night.

B．It was the light music that I"m listening.

C．It was the president himself who spoke to me.

D．It is white that we"ve painted the kitchen.

请帮忙给出正确答案和分析，谢谢！