I am a reader of the modern Bible translations (RSV-2CE, NABRE, etc.) and prefer them overall**, BUT** I have to agree with you
‘Confraternity Onlyists’
on this. Modern translations use many sources for their OT translations as most know; MT, LXX, DSS, etc, they have to make choices on which English equivalent word to use in some situations. I think in this situation of choosing to use ‘virgin’ or ‘young woman’
which clearly is a choice because the MT use the word ‘almah’ which means young woman and the LXX uses the word ‘parthenos’ which means virgin. So the translators have
a choice here.
In my (un-scholarly and lowly) opinion,
in a Catholic Bible translation, the translators should have used Church tradition and past usage as the deciding factor of which word to use, and that clearly comes down in the favor of** ‘virgin.’** Matthew’s Gospel clearly interprets it that way, past Catholic Bible translations, Lectionaries and the ECFs interpret it that way,
so the choice is clear in my opinion!
The D-R, Confraternity, NAB, RSV-2CE
use Virgin
The RSV-CE, Knox Bible, Jerusalem Bible, NJB, NABRE and CCB use
Young Woman (or some equivalent)