“Tại Việt Nam, học tiếng Anh trực tuyến đã khá phổ biến. Hiện tại ước tính có từ 3 đến 5 triệu người đã học các khóa học tiếng Anh rực tuyến. Chuẩn bị cho kỳ thi, rèn luyện các kỹ năng, người học trực tuyến đang tiết kiệm được rất nhiều chi phí và thời gian cho việc học tập” should be translated as
A. In Vietnam, learn English online is quite popular. It is estimated that between 3 and 5 million people have taken English courses online. Preparing for the exam, training skills, online learners are saving a lot of costs and time for studying.
B. In Vietnam, learning English online is quite popular. Estimated that from 3 to 5 million people have taken English courses online. Preparing for the exam, training skills, online learners are saving a lot of costs and time for studying.
C. In Vietnam, learning English online is quite popular. It is estimated that between 3 and 5 million people have taken English courses online. Preparing for exams, training skills online, learners are saving a lot of costs and time for studying.
D. In Vietnam, learning English online is quite popular. It is estimated that there are between 3 and 5 million people have taken English courses online. Preparing for the exam, training skills, online learners are saving a lot of costs and time for studying.