Suppose you notice that more and more people are driving gas-guzzling cars. Since you drive an economy car, their increased demand for gas:

A.causes the price you pay for gas to increase.

B.does not affect you.

C.causes companies to charge a lower price, thus benefiting you.

D.does not change the price you pay, but reduces the quantity of gas supplied.

正确答案：causes the price you pay for gas to increase.