高等继续教育 / 大学英语语法
正确率：100%
题型描述: 单选题
Those who were left alone in the cave knew better than the others ＿＿＿＿＿＿＿＿＿ sounds bats flying about in the dark made.
A.what frightening
B.which frightening
C.that frightening
D.how frightening
Those who were left alone in the cave knew better than the others ＿＿＿＿＿＿＿＿＿ sounds bats flying about in the dark made.
A.what frightening
B.which frightening
C.that frightening
D.how frightening
参考答案：