Why did the captain's 'night writing' excite Braille? A.It used dots and dashes instead of letters. B.It used sounds instead of letters. C.It could be read by touch instead of sight. D.It could he read at night.
A.It B. B.It C. C.It D. D.It
【参考答案】
C 解析：由第十三段可知，布拉耶发现了一种法国军官用来传递信息的“夜间文字”。这种文字不用看，而是用摸来阅读的。......