What are three questions to ask to help you evaluate their current situation?

The XYZ organization plans to adopt DevOps practices to automate its deployment process.

What are three questions to ask to help you evaluate their current situation? (Choose Three)
A . How much of the code base has regression test coverage?
B . How much of the code base has automated test coverage? How often are those tests run?
C . What parts of the change migration process are the most frequent, time-consuming, or error-prone?
D . What are all the ways through which change is introduced to production? (Rule changes, code changes, platform upgrades, schema, and runtime configuration.).

Answer: BCD