B是正确的，楼上说的很对是从一个范围里选择，所以用which英语学习qq群QQ group of Studying EnglishAre you a fan of English ? Do you want to study English well？ A group with the title of "Studying English " 7823336(full now) 8330877(full now) 9278589(nearly full) 26941678(some)49326391(some)49327769(some)there're a lot good material for English shared in each group Share Zone.Don't hesitate to join us,come on ,guys!
