When did the verismo style of opera begin?

Which of the following is composed of heroic couplets?

a. The Canterbury Tales b. the Decameron c. Book of the City of Ladies d. The Book of the Deeds and Good Manners of the Wise King Charles V

In shallow-space composition, the closest and most distant planes appear

A. only slightly separated. B. significantly separated. C. indistinguishable. D. blurred.