How Did Pope Innocent Try to Realize His Vision of the Papacy

How did Pope Innocent try to realize his vision of the papacy as the supreme lawmaker and of law as an instrument of moral reform?

A) He convened and presided over a church council that attempted to regulate all aspects of Christian life.
B) He excommunicated those secular rulers who refused to accept his vision and yield on the issue of lay investiture.
C) He directly intervened in the growing conflict between English and French kings over the disputed territory of Aquitaine.
D) He declared his supremacy over the patriarch of the Greek Orthodox church and ordered the leaders of the Fourth Crusade to sack and plunder Constantinople.