Which one of the following is correct about data file and C language?
选项：

A:Files consist of ASCII character sequence and C language can only read and write text files.;
B:Files consist of binary data sequence and C language can only read and write binary files.;
C:Files consist of records sequence and can be categorized into binary files and text files by the storage form of the data.;
D:Files consist of data streams and can be categorized into binary files and text files by the storage form of the data.