Intersection courtesy for other responders

So, quick question that's the current station debate.

You are first in line at a stoplight, and you see a emergent driving first responder approaching the intersection from a reasonable distance away. It's clear the emergent vehicle is going to need to challenge the intersection. Busyish multi lane intersection. Out of the three options, what do you do?

A. Kick on your lights, pull into the intersection, and hold the intersection for the approaching vehicle.

B. Turn on your lights as the other vehicle gets closer, don't move.

C. Sit still and silent.

Assume your actions don't impede the emergent vehicle.

My answer is B. Hit your lights if it's safe. Reasoning from some angles other drivers may not see the moving vehicle, but they see mine. Some of our more aggressive crews will go A, some say C because you are running a call.

What's the Reddit hive minds thoughts?