----Why do you speak in _________ a loud voice?

----Because I want to make myself ________ clearly.

A．such; hear

B．so; heard

C．such; heard

D．so; hear

下列哪项提示溃疡性结肠炎预后不佳

A．腹泻次数增加混有黏液脓血者
B．食欲不振、恶心、呕吐者
C．发热伴有毒性症状
D．发作期血清γ球蛋白降低者
E．伴有肠外表现者