Refer to the figure above. If the price is $4 today, and if there are no other changes in this market, one would expect the price in the future to be:

Refer to the figure above. If the price is $4 today, and if there are no other changes in this market, one would expect the price in the future to be:
A.less than $4.
B.greater than $6.
C.$4.
D.greater than $4.
正确答案：greater than $4.