In the United States, medical treatments are ______.

A．people are buying less food
B．the government is providing less support for agricultural products
C．domestic food production has decreased
D．imported food is driving prices higher

A．Because the farmers were uncertain about the financial support the government guaranteed.
B．Because the farmers were uncertain about the benefits of expanding production.
C．Because the farmers were uncertain whether foreign markets could be found for their produce.
D．Because the older generation of farmers were strongly against the programme.