A-A+
What did Group A do in their program？A．They st
问题详情
What did Group A do in their program？
A．They stepped up and down on a bench every day.
B．The didn"t do any exercise.
C．They rode on an exercycle every day.
D．They pushed handle bars every day.
参考答案
正确答案：C
解析：由文章第一段第七句For the next 7 weeks,subjects in the experimental group (Group A) rode an exercycle for 15 minutes each day可知。
