单项选择题
A.5 B.7 C.10 D.15
A.(4,10,15,72,39,23,18) B.(58,27,)6,12,8,23,9) C.(4,10,18,72,39,23,15) D.(58,36,27,12,8,23,9)
A.t->prior->next=t-& gt;next; t->next->prior=t->prior; B.t->prior->prior=t->prior; t->next->next=t->next; C.t->prior->next=t->prior; t->next->prior=t->next; D.t->prior->prior=t->next; t->next->prior=t->prior;