what his mother said didn't change martin's mind.这里为什么不是问句?

what his mother said didn't change martin's mind.这里为什么不是问句? what his mother said didn't change Martin's mind.这是个主语从句 为什么 这是短语还是句子?What his mother said didn't change Martin's mind."W 定语从句判断：What his mother said didn't change his mind. What his mether said didn't c______his mind. what the teacher said ___change martin's mind What did you say( )(change)his mind just now?这里为什么填to change What made him change his mind? What he said made his teacher angry ,__?(A.didn't he B.didn' 英语翻译his mother said quietly(这里的quietly不是安静的意思）I thought you what his mother said made him （ ） What the boy said upset his mother.