— Do you think we’ll get somewhere in he future.

— I believe it’s quite_____ that we’ll make a difference so long as we work harder.

A．certainly

B．possibly

C．probably

D．likely

鼻腔肿瘤表现为（）

A．鼻塞、脓涕、头痛

B．鼻痒、喷嚏、清涕

C．鼻塞、清涕、发热

D．鼻出血、鼻塞、擤涕困难

E．鼻塞、涕多、嗅觉减退