单选题 So many representatives ______, the conference had to be postponed.
A. to be absent B. were absent C. being absent D. was absent

【正确答案】 C

【答案解析】[解析] 本题考查的是分词的独立主格结构。分词作状语时，要特别注意其逻辑主语必须和主句谓语动词的主语一致。否则，分词必须有自己的主语。这种带主语的分词结构叫作分词的独立主格结构。