单选题 He wasn't asked to take on the chairmanship of the society, ______ insufficiently popular with all members,
【正确答案】 D
【答案解析】being considered是现在分词的被动语态形式。根据题意,该句的后半句是个原因状语,应该用一个相当于because he was considered的结构在句中,因此D选项符合题意。