yuga help people to keep healthy and relaxed , () ? A does it B doesn t is C is it D isnt it求詳解

Yoga helps people to keep healthy and relaxed , (B doesn't it) ?

瑜珈能幫人保持健康和放松，不是嗎？

解釋：這道題目考反意問句。主語是Yoga，為單數，要用it來代替。陳述部分謂語是實義動詞helps，是肯定句，所以疑問部分應為否定，還要加上助動詞does幫助構成問句。