请问I don't believe what you did.能不能改写成I don't believe you did?

请问I don't believe what you did.能不能改写成I don't believe you did?
请问I don't believe what you did.能不能改写成I don't believe you did?

请问I don't believe what you did.能不能改写成I don't believe you did?
不能

不能！
你问了几遍了！

应该不能
名词性宾语从句用what引导的话不能省略