You currently on a conference call with an executive from a too big to fail bank. They are validating that they want to use Quorum or another enterprise blockchain.
They specifically want to know what type of consensus algo it uses and what industry for the Quorum blockchain targets.
Quorum uses the Istanbul Byzantine Fault Tolerance (IBFT) consensus algorithm and targets cross-industry applications. This consensus mechanism is designed to be resilient to failed or malicious nodes, making it suitable for various sectors beyond just financial services.
A is also correct: https://github.com/jpmorganchase/quorum/wiki/Quorum-Consensus