单选题
If the consumer price index (CPI) at year-end was 142 and the beginning of the year was 135, then the rate of inflation during the year is:
A、
A. 5.2%.
B、
B. 2.8%.
C、
C. 4.7%.
【正确答案】
A
【答案解析】
The inflation rate can be calculated as (142-135)/135=5.2%.
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