Which of the following sentences is TRUE?

* Hướng dẫn giải

Dẫn chứng: Birth control should be a basic policy in our country. China has the greatest number of population in the world. With a high birth rate, the production of grains and goods will be unable to meet the need of the people. To raise people’s living standard, we must practise birth control.

Đáp án C. It's necessary to practise birth control to raise people's living standards.