What is the main idea of this passage? A. Caffeine is bad for people to drink. B. It is uncertain whether energy drinks are healthy. C. Red Bull is the best energy drink. D. Teenagers sho

7/74

What is the main idea of this passage?

Caffeine is bad for people to drink.

It is uncertain whether energy drinks are healthy.

Red Bull is the best energy drink.

Teenagers should not choose energy drinks.

Giải thích

Đáp án B

Tiêu đề cho bài đọc → Vẫn chưa chắc chắn rằng nước tăng lực tốt cho sức khỏe.