是非型试题的缺点不包含下列哪一项？ Which of the following is NOT the disadvantage of true-false type question?
A.只能测量低层次的学习结果 Only measure the lowest level of learning result
B.猜中的概率高达50％ Guess probability is up to 50%
C.内容真实性低 The authenticity of the content is low
正确答案是C