We have run ______ rice, we will have to buy some this afternoon.[ ]

A. out

B. of

C. out of

D. out to

胃癌仅限于__________________________，不论病灶大小或有无淋巴结转移，均为早期胃癌。癌灶直径在______________________称小胃癌，____________________为微小胃癌；癌灶更小仅在胃镜粘膜活检时诊断为癌，但切除后的胃标本虽经全粘膜取材未见癌组织，称________________。