Although Bernini became famous as a sculptor, he was also a painter. It is likely, however, that his painting was a sideline. One reason for thinking this is that none of his surviving paintings seem to have been commissioned. For one thing, the paintings are unsigned. Also, many of them are self-portraits, and_______________.

Which of the following, if true, most logically completes the argument?

A. Self-portraits by Bernini would not have been commissioned
B. Many of the most accomplished painters have painted-portraits
C. It is possible to determine the artist of unsigned paintings
D. It is not uncommon for painters to leave their works unsigned
E. Self-portraits would not need to be signed

The OA A