有关经济学的,My grandmother's old age pension is indexed for infla

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有关经济学的,
My grandmother's old age pension is indexed for inflation.What does this mean?
A.My grandmother's old age pension has been increased by an amount equal to the percentage increase in the Consumer Price Index.
B.The market basket of goods and services used to calculate the Consumer Price Index has been adjusted to reflect the purchases made by retired households.
C.The government compares my grandmother's old age pension against the increase in inflation,but there is no change in my grandmother's pension unless Parliament passes additional legislation.
D.Welfare taxes have been raised by an amount equal to the percentage increase in the Consumer Price Index.

A 首先你要明白通货膨胀的意思.其是指,在一段时期,货币的发行量远远多于流通中实物所代表的货币量.大量的货币,会使货币贬值.单位货币的购买了就会下降.比如,原来市场上有一万亿的货物,政府也发行了一万亿的货币.这是一元钱可以购买对等的一元货物.可是当政府发行了两万亿货币,而此时,一元钱的购买力只有五毛了.所以,这时,消费者价格指数就会上涨.
这时,祖母的养老金还是那么多的话,她的购买力就会下降,所以政府要提高她的养老金.
可知答案位A.

my grandmother is 80 years old 的同意句是什么?my grandmother is an The (old) lady is my grandmother.对打括号的提问 My grandmother and grandfather is old 找错 the old man 's age is eighty的同义句 The old lady is my grandmother.划线提问,划old my cousin's grandmother is my ____ the old man 's age is eighty My grandmother's 80th birthday is( ) It is wise to have some money __ for one's old age. how is your grandmother?my grandmother is very old,but he is My father’s age is fifty years old.是对是错是错改 My grandmother is 80yeaes old变疑问句