四六级考试

试题来源：大学四级-392
【单选题】 There are advantages and disadvantages of online distance learning. One advantage is ______.
A．it is easy to do
B．it is cheaper than face-to-face learning
C．it is convenient
D．it is satisfying

参考答案：C
网考网解析：
答案可以从文章第二段第二句推出，“远程教育可以随时随... 查看试题解析出处>>