"The idea of aging is foreign to them" implies that （）.

A. Because inflation and deflation are measured in terms of average price levels, it is possible for individual prices to rise or fall continuously without changing the average price level.
B. A decline in average price is called deflation.
C. A rise in the average price level is referred to as inflation.
D. In such circumstances, relative prices are changing, but not average prices.
E. The economy is not necessarily experiencing an inflation, however, every time the price of a cup of coffee goes up.
F. Surely you would not have much success in seeking out an average fruit — nobody would be quite sure what you had in mind.
G. Inflation is an increase in the average level of prices, not a change in any specific price.
H. By repeating these calculations every day, you could then determine whether fruit prices, on average, were changin

A. A real friend can share your happiness, accept and forgive faults.
B. Sometimes your best friend is yourself.
C. Family is more important than friends in his mind.
D. Friendship is more important than love.
E. A friend is someone who can understand you.
F. His best friend is his wife, because she knows what kind of mood he is in.