题目内容：
50. Based on this passage, the author intends to tell us that __________.(本题1.0分)A、 online learning is the perfect option for everyone
B、 no one would like to enroll at a traditional school
C、 learners must consider whether they have the qualities to attend online classes before making their decision
D、 online learning will take the place of traditional school in future
参考答案：