Answer:
He decided to demolish the original Constantine basilica. So option A is the right answer.
Step-by-step explanation:
Pope gave orders for the demolition of the Bramante so that a new basilica can be built. Therefore the old basilica that had been built by Constantine was supposed to be demolished because it was in despair. However having it down was s maneuver which resulted to big ambitions of the 2nd pope Julius for himself and for the papacy.
The site was considered to be holy, however based on the church; Bramante had no plan for the new church. He had made a proposal of big church with a Greek cross shape.