TOEFL Listening: ETS-TOEFL听力机经 - 13PJVAX31H368R8QP$

The professor describes how scholars estimated the date that Girl with a Pearl Earring was painted. What is his opinion of this estimate? A. It is not fully convincing because it is based on subjective impressions. B. It relies too heavily on the date that the painting was first sold. C. It should have taken into account the ages of all of Vermeer's children. D. Scholars should have agreed on specific dates before making their estimate public.