As our country has entered WTO, it is time for our companies to ________ business opportunities in the world market.
句意：我国已经加入了WTO，我们的公司也应该在世界市场上寻找商机。seek out找出；搜出。live up to符合。dig out掘出；发现。pave for铺路；铺垫。故选C。