单选题 This course focuses on the ______ of economic analysis to the problems of inflation, unemployment, the balance of payments and enterprise behavior.

A、 introduction
B、 combination
C、 application
D、 conception

【正确答案】 C

【答案解析】application应用，运用；introduction介绍，入门，导论；combination结合，合并；conception观念，概念。