单选题 At that time, people couldn't get everything they wanted at one store because there was an inadequacy of goods.

【正确答案】 A
【答案解析】inadequacy不足,缺乏;shortage缺乏;variety变化,变体;minimum最小量;abundance充足,富裕。该句意思为“那时,人们不能在一个店里买全他们想要的东西,因为货源不足”。