答案及解析：[单选题]下面句子中，标点符号正确的是________ A “That girl is not really me.” she once said, “she is my twin sister”. B “T

问题：

[单选题]下面句子中，标点符号正确的是________
A “That girl is not really me.” she once said, “she is my twin sister”.
B “That girl is not really me”, she once said. “She is my twin sister”.
C “That girl is not really me,” she once said. “She is my twin sister.”
D “That girl is not really me,” she once said, “she is my twin sister.”