单选题
Which of the following is true of distance education?
A、
The majority of the students fail to pass its examinations.
B、
Personal tutors are assigned to students to offer regular help.
C、
Teachers and students communicate through correspondence.
D、
The courses are set up to suit the pace of each individual student.
【正确答案】
C
【答案解析】
从第一段中“When each lesson is completed…returned promptly to the student.”可知，在远程教育中，师生通过通讯或媒体进行交流，所以C正确。而A，B，D都不符合文意。
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