单选题 Louis Braille designed a form of communication enabling people to ______ and preserve their thoughts by incorporating a series of dots which were read by the finger tips.
A. retain B. visualize C. convey D. transfer

【正确答案】 C
【答案解析】[解析] convey thoughts“表达思想”；retain。保留”；visualize“想象出”；transfer“转移”。这三个词一般不与thoughts构成语意上的动宾结构。