急进性肾小球肾炎Ⅰ型患者血浓度常升高的抗体是（）

A.抗肾小球基底膜抗体

B.抗核抗体

C.抗双链DNA抗体

D.抗中性粒细胞胞浆抗体

E.抗平滑肌抗体

John opened the door. There _______ he had never seen before.

A．a girl did stand

B．stood a girl

C．a girl did stood

D．did a girl stand