A.
They will be held twice a month.
B.
They are required for those who take other weekend classes.
C.
They are free for anyone who would like to participate.
D.
They are being offered in response to community interest.
正确答案:D
译文
Read a poster.
Springfield Community Wellness
Classes - Special Addition
Due to popular demand, guided stretching sessions will take place in Central Park every Saturday at 8:00 A.M.,well before the start time of other weekend classes.
Stretching boosts flexibility, reduces tension, and improves circulation.
Bring a mat and a water bottle,
Free for residents!