We can learn from the last paragraph that______. A．Canada sees Mexico and United States as its competitors B．NAFTA brings only benefits to all three North American countries C．American politicians have anticipated concerns after closer integration D．Mexicans feel optimistic about their future when they integrate with the U. S
A. A．Canada B.NAFTA C.American D.Mexicans
【参考答案】
C 选项[A]对应第四段第三行：Canada，however，longagostartedseeingMexic......