题目在下面，答案给的是E。可是我认为应该是C，因为通货膨胀，所以政府的增加救济金也于事无补。而E选项，关于儿童的，我觉得有点不相关，完全想不到儿童的问题。还有elder parents也不该是over 65 people啊~！实在是想不明白，求教大家。谢谢！
Which of the following most logically completes the passage?
Concerned about financial well-being of its elderly citizens, the government of Runagia decided two years ago to increase by 20 percent the government-provided pension paid to all Runagians over 65. Inflation in the intervening period has been negligible, and the increase has been duly received by all eligible Runagians. Nevertheless, many of them are no better off financially than they were before the increase, in large part because ________.
A. They rely entirely on the government pension for their income
B. Runagian banks are so inefficient that it can take up to three weeks to cash a pension check
C. They buy goods whose prices tend to rise especially fast in times of inflation
D. The pension was increased when the number of elderly Runagians below the poverty level reached an all-time high
E. In Runagia children typically supplement the income of elderly parents, but only by enough to provide them with a comfortable living | 
