单选题:非空的循环单链表head的尾结点(由p所指向)满足( )。
非空的循环单链表head的尾结点(由p所指向)满足( )。
@[C](2)
A. p->next == NULL
B. p == NULL
C. p->next ==head
D. p == head
A.p->next == NULL
B.p == NULL
C.p->next ==head
D.p == head
答案:C
@[C](2)
A. p->next == NULL
B. p == NULL
C. p->next ==head
D. p == head
A.p->next == NULL
B.p == NULL
C.p->next ==head
D.p == head
答案:C