In 1947 she testified before the house un-american activities committee on how the film song of russia was communist propaganda who is this witness?

Ayn Rand is the witness.

Explanation:

Ayn Rand was the writer and philosopher who got criticized by un-american activities committee for supporting the film ‘Song of Russia’. This film was in controversy for propagating Soviet Russia. The writer and philosopher Russian- American Ayn Rand supports the film.

And asked by the HUAC investigator to see the film and give her opinion on it. She gave a positive opinion on that and got criticized by the Russian government. In fact, the lead star of the film ‘Song of Russia’ himself protested about the film.

no i don't think so.

answer:

b. tell a trusted adult

explanation:

most reasonable¯\_(ツ)_/¯(^.^)/~~~