What should the developer consider while testing the trigger code?

The following automations already exist on the Account object;

• A workflow rule that updates a field when a certain criteria is met

• A custom validation on a field

• A How that updates related contact records

A developer created a trigger on the Account object.

What should the developer consider while testing the trigger code?
A . The flow may be launched multiple times.
B . Workflow rules will fire only after the trigger has committed all DML operations to the database.
C . A workflow rule field update will cause the custom validation to run again.
D . The trigger may fire multiple times during a transaction.