单选题 World petrol reserves will be used up by 1985 if _________.

A、 Western European consumption continues to expand
B、 South-East Asia does not limit its consumption.
C、 underdeveloped countries start to consume petrol the same rate as Western Europe.
D、 world population continues to expand.

【正确答案】 C

【答案解析】第一段最后一句“if the underdeveloped countries started．．．by 1985”根据上下文，这句话中的“industrialized areas”指上文提到的“western Europe”。