单选题
The author believes that in a nation where free enterprise (自由企业制 ) exists , manufacturers will produce ______.
A、
as much as they like
B、
better quality merchandise (商品)
C、
more than they are able to sell
D、
both A and B
【正确答案】
D
【答案解析】
最后一段中“they are free to make more things and make them better”
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