单项选择题
In the specific factors model, a 5% increase in the price of food accompanied by a 5% increase in the price of cloth will cause ________ in the welfare of labor, ________ in the welfare of the fixed factor in the production of food, and ________ in the welfare of the fixed factor in the production of cloth.
A.an increase; a decrease; a decrease
B.no change; no change; no change
C.a decrease; an increase; an increase
D.a decrease; a decrease; a decrease