单项选择题
A.struct BOOK *x=malloc(book); B.struct BOOK x={"C++ Programming",27.0}; C.struct BOOK *x=malloc(sizeof(struct BOOK)); D.struct BOOK *x=&book;
A.char (*w)[N] B.char *w[N] C.char (*w)N D.char**a
A.char a B.char* a C.char& a D.char**a