单选题 The supply of wine has remained the same partly because ______.

A、 wine-producing countries are unwilling to increase their production
B、 new vineyards will not be opened up in such counties as Australia
C、 countries like Italy and Spain can' t supply enough good wines
D、 the production of wine bottles has ceased to increase

【正确答案】 C

【答案解析】[试题类型] 细节题 [解题思路] 第四段最后一句“Wines are produced in other countries，such as Italy ，Spain and Australia，but none of these countries will be able to fill the demand for good wines．”(葡萄酒在其他国家生产，如意大利、西班牙和澳大利亚，但是这些国家中没有一个能满足对好酒的需求。)由此可以看出C是部分原因。