.--- He has to finish the experiment today. He must be in the lab,____?

---That s quite possible.

A．mustn't he

B．won't he

C．doesn't he

D．isn't he

患者，女性，65岁，与邻居吵架后出现左眼痛、头痛，视力减退，伴恶心、呕吐。检查左眼视力眼前手动，结膜混合性充血，角膜上皮水肿，角膜后色素沉着，前房极浅，瞳孔中度大，眼后节看不清，眼压65mmHg。

检查右眼，最不可能出现的体征是（）.

A.前房深

B.虹膜膨隆

C.前房狭窄

D.暗室试验阳性

E.眼轴短