When humanism spread and affected literature authors and dramatists began writing about
a. sinful practices
b. various gods and goddesses
c. biblical tenets
d. human psychology

When humanism spread and affected literature, authors and dramatists began writing about D) human psychology.
Humanism was the period of heightened awareness of humans, and their qualities, and not religion and church like in the previous eras. 

Hey there! the correct answer to your question is "artists were highly valued members of society."in the neothletic period, art flourished because artists were highly valued members of society. art was very valuable and still is. art grew because of known  artists and their great art works.hope this you.have a great day!