单选题 Only in a few countries ______ enjoy a reasonable standard of living.

【正确答案】 D
【答案解析】[分析] “only+状语”置于句首时,句子要部分倒装。本题主语是the whole of the population,不是可数名词复数,所以助动词要用单数形式,选择D而不是A。