From the military parade we concluded that China was no long

From the military parade we concluded that China was no longer_____it used to be. A.what B.that C.wFrom the military parade we concluded that China was no longer_____it used to be.A.what B.that C.when D.how答案是A.那如果“it used to be”后跟形容词,如beautiful,为什么还是用what而不是how呢?谢谢