题目内容

若有以下定义： struct link { int data； struct link next； }a，b，c，p，*q；且变量a和b之间已有下图所示的链表结构：
指针p指向变量a，指针q指向变量c，则能够把c插入到a和b之间并形成新的链表的语句组是()。

A. a.next=c；c.next=b；
B. p.next=q；q.next=p.next；
C. p-＞next=&c；q-＞next=p-＞next；
D. (p).next=q； (q).next=&b；

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