With globalization sweeping the world, learning foreign languages will become

With globalization sweeping the world, learning foreign languages will become increasingly necessary if a country____economically.
A．will compete    B．were to compete    C．is to compete    D．competes
【答案】C
【解析】考查时态。句意：随着全球化席卷世界，如果一个国家想要在经济上有竞争力，学习外语变得越来越必要。句中使用be to do sth表示一般将来时，强调必要性。A项表示一般的将来；B项时态错误，不应该有过去时；D项通常用于条件句和时间状语从句表示将来，故C项正确。