MOOC是哪几个英文词语的缩写？ A: MassiveOnlineOpenCourses B: MassiveOpenOfflineCourses C: MassiveOpenOnlineCourses D: MassiveOpenOnlineClasses

MOOC是哪几个英文词语的缩写？ A: MassiveOnlineOpenCourses B: MassiveOpenOfflineCourses C: MassiveOpenOnlineCourses D: MassiveOpenOnlineClasses E: MassiveOnlineOpenClasses