The expected results         he had worked hard seemed hopeless to him .

A．after which

B．for which

C．with which

D．at which

某女性患者，5岁，主诉：全口牙龈增生2年余，一侧已妨碍咀嚼。诊断为牙龈纤维瘤病，请问关于此患者有可能出现的体征哪一项不正确（）

A.牙齿可发生移位

B.牙龈颜色正常

C.牙龈可盖住全部牙冠

D.牙龈质脆易出血

E.增生波及膜龈联合