Trade is important to both the United States and Canada. Both countries count on trade to help their economies grow. Canada trades mainly with the United States. Canada also trades with China, France, Germany, and Mexico. Canada’s exports are worth hundreds of billions of dollars every year. The main exports are cars and car parts. Other important exports are chemicals and machinery. Canada also exports lumber, natural gas, oil, and wheat. Unlike the United States, Canada earns more money from its exports than it spends on its imports. Canada’s main exports are ____________________. ?
A. lumber
B. cars and car parts.
C. machinery.
D. wheat.