— Did you hear the quarrel just now?

— _____ I did. [ ]

A. Simply

B. Merely

C. Indeed

D. Really

溃疡性结肠炎的息肉属于（）

A.肿瘤性息肉

B.错构瘤性息肉

C.炎性息肉

D.增生性息肉

E.化生性息肉