题目内容
（请给出正确答案）
[主观题]
2、下列说法正确的是：（单选） Which of the following statements is correct？ （There is only one correct answer）
A.空串就是空白串“Empty string” is blank string.#B.空串是任意字符串的子串 Empty string is a substring of arbitrary string.#C.串只可以采用顺序存储，不可以采用链式存储 String only can be stored in sequential method and cannot be stored in linked method.#D.在C++标准中，char S[M]最多能表示长度为M的字符串 In C ++ standards, char S[M] can represent up to a string of length M.
答案
A
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