They decided to cut down their carbon footprints. They were praised for that.

3/20

They were praised for having decided to decrease their carbon footprints.

They were not punished for having decided to decrease their carbon footprints.

Unless they decided to cut down their carbon footprints, they were praised for that.

If they decided to cut down their carbon footprints, they would be praised for that.

Giải thích

Đáp án đúng là: A

Dịch: Họ đã được khen ngợi vì đã quyết định giảm lượng khí thải carbon của họ.