中国作为一个发展中的沿海大国，国民经济要持续发展，必须把海洋的开发和保护作为一项长期的战略任务。（ ）
A.China must take exploitation and protection of the ocean for a long-term strategic task before it can achieve the sustainable development of its national economy. B.China must take exploitation and protection of the ocean as a long-term strategic task before China can achieve the sustainable development of its national economy. C.China must take exploitation and protection of the ocean as a long-term strategic task before it can achieve the sustainable development of its national economy. D.China must take exploitation and protection of the ocean for a long-term strategic task before China can achieve the sustainable development of its national economy.正确答案C
