Which of the following was written by Trotula, a woman who served as chair of medicine at the university in Salerno in Southern Italy?

Bhajan is

A. popular music. B. folk music. C. religious music. D. classical Indian music.

Employing a medieval narrative method on his Gates of Paradise, Ghiberti presented groupings of episodes in what format?

A. Sequential frames B. A single frame C. Multiple round frames D. Panels among Doric columns