问题详情

It can be inferred from the passage that______.

A．comfort shouldn"t be the first factor to be considered when choosing shoes

B．being barefoot is a good treatment for those with knee problems

C．expensive shoes aren"t always worth a large amount of money

D．the way how a person walks may cause pain to his feet

请帮忙给出正确答案和分析，谢谢！