定语从句判断：What his mother said didn't change his mind.

定语从句判断：What his mother said didn't change his mind. what his mother said didn't change Martin's mind.这是个主语从句 为什么 what his mother said didn't change martin's mind.这里为什么不是问句? 这是短语还是句子?What his mother said didn't change Martin's mind."W What his mether said didn't c______his mind. What made him change his mind? his father___to change his mind What he said made his teacher angry ,__?(A.didn't he B.didn' what his mother said made him （ ） What the boy said upset his mother. what he said made his mother Only then ___ what his mother said