请问 i don't know what you said “what”作什么成分呢

问题描述:

请问 i don't know what you said “what”作什么成分呢

将句子怀远到正常语序:I don't know + you said what.
what 在这是said的宾语,而在原句中what引导宾语从句,这个从句都作为know的宾语.