C unless you think the person or relationship is hurting the children in some way.

If you go with A you put it this way "My view on TOPICx is...." and then you leave it at that.
Pretty much forget about it, because you cant control it.

Me: 34
Stbxw: 30
D:5 D:3
Mini bd: May/June 2019
Married: Aug 2019
BD: 6th Dec 2019
OM Confirmed: Feb 2020
March 2020: I filed for D
Waiting for D to be finalized and W to move out end of January 2021