People with back problems might go cycling because__________

7/102

it enables them to carry the weight of their body on their feet

it does not make them carry the weight of their body on their feet

it helps to make their backs become stronger

it helps them to relieve their backache

Giải thích

Đáp án B

Dẫn chứng “Because you’re not carrying the weight of your body on your feet, it’s a good form of exercise for people with painful feet or backs.”