单选题
Which of the following statements about electronic ink is true?
A、
(A) The electronic book is now available for $ 200,400.
B、
(B) The ink has already been produced a great deal.
C、
(C) The ink will work only with something conductive.
D、
(D) The ink will make an electronic book unaffordable.
【正确答案】
A
【答案解析】
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