c++ C-stringWhich of the following statements are correct? A

c++ C-string
Which of the following statements are correct?
A. A string literal is a C-string.
B. A C-string is a sequence of characters ending with a null terminator.
C. An array of characters is a C-string.
D. A C-string is a sequence of characters.
要答案+浅议的详解，谢谢，可以有追加