单选题 During the second stage, if the family wanted to consume new goods and services, they had to enter the marketplace ______.

A、 as wage earners
B、 both as manufacturers and consumers
C、 both as workers and purchasers
D、 as customers

【正确答案】 C

【答案解析】[解析] 从文章中“In order to consume these new goods and services，the family had to enter the market place as wage earners and consumers”得知。purchasers意为“购买人，买主”。