—Hi, Daming. It’s said the famous singer will come to Tai’an. Do you know ______?         

—Next month.

A．when does he come

B．when he comes

C．when will he come

D．when he will come

下列哪些是鼻 * * 状瘤的CT征象（）。

A.鼻腔和同侧上颌窦内见略高密度软组织肿块

B.肿瘤内可见点、条状钙化

C.增强扫描因肿瘤血管较少，无明显或轻度增强

D.骨壁破坏以上颌窦内侧壁为主

E.窦腔扩大多不明显