A.20 B.32 C.62 D.062
A.#define M1 B.const int M2 20 C.#define M3 10 D.const char mark
A.p->next=f B.p->next=f和f=p C.f=p->next D.f->next=p和f=p
A.40 B.30 C.70 D.10
A.char （*w）[N] B.char *w[N] C.char （*w）N D.char**a
