Questão EPO - Heap sort

Quais os procedimentos básicos da estrutura heap?

a) Insertion, Enqueue, Retira_heap, Push
b) Heapfy, Pop, Extract_Max, Dequeue
c) Heapify, Build-heap, Ordenar Heap, Extract_Max
d) Pop, Selectionsort, Build-heap, Extract_Max
e) N.D.A

Fonte:
http://translate.google.com.br/translate?hl=pt-BR&sl=en&u=http://www.personal.kent.edu/~rmuhamma/Algorithms/MyAlgorithms/Sorting/heapSort.htm&ei=bhb-TcCyI83TgAfk4pDeCw&sa=X&oi=translate&ct=result&resnum=2&ved=0CDAQ7gEwATgK&prev=/search%3Fq%3Dheapsort%26start%3D10%26hl%3Dpt-BR%26sa%3DN%26biw%3D1366%26bih%3D624%26prmd%3Divnsfd