What is the better way of staying away from the cold winter days Come out to our Hall Markets in the beautiful countryside, full of color, fun, music and delicious food ! With over 350 stalls (摊位) selling wonderful home-made and home-grown goods, this will surely be a great day out. The Hall Market are held on the first Sunday of each month from 10:00 am to 3:00 pm at Hall Village. They are operated by Hartley Life care Co. Ltd. All the income will go to help and support service for people with disabilities (残疾). Volunteers (志愿者) play an important part in the success and pleasant atmosphere at the Hall Market. Hartley Life care is always grateful to have you serve as volunteers with the Hall Markets. If you are interested in being one of our volunteers and spending a few hours with us each month, please contact us during business hours on 62605555. There are over 350 stalls in the Hall Markets that ______.
A. are operated by the disabled B. offer free food to volunteers C. sell home-made goods D. are open day and night