单选题
A videodisc courseware is beneficial to those who have study difficulties because _______.
A、
its fancy design is very attractive
B、
it allows the user to go back to where he wants to restudy
C、
the content of it is healthy and promising
D、
it is developed by university professors
【正确答案】
B
【答案解析】
推断题。文章第二段第二句指出，残疾儿童往往需要老师不厌其烦地反复教导，接着谈到互动式影碟课件可以不断地重放课程，由此推断，影碟课件使学习有困难的学生能够回放他们想再次学习的课程，故选B。
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