We learn from Paragraph 3 that______. A．many firms have answered Mrs Obama's call B．Partnership for a Healthier America is a political organization C．the efforts of the food and drink companies may seem effective in the long term D．sixteen food and drink companies have cut down 1.5 trillion calories from their products
A. A．many B.Partnership C.the D.sixteen E.5
【参考答案】
A 根据选项[A]定位到第三段第二、三两句：MrsObamahasexhortedfirmstotakeac—t......