According to the article "five stars for literary critics," what is one role that a literary critic fulfills?

A social commentator.

Explanation:

One of the roles that a literary critic fulfills is that of social commentator. This means that a literary critic will often discuss how a particular work of literature talks about people in general, and how it fits into the wider context of society. This is a very important step, as it can allow us to better appreciate the significance of a work of literature, and to predict how people will relate to it.

what play?

explanation:

there is no play

the purpose of the heading in the passage is to identify who is telling the story.

this excerpt is part of the book sugar changed the world (2010) written by marc aronson and marina budhos. as the book has been written by two people, the heading "marc" indicates that this specific excerpt is being narrated by aronson. in the fragment, marc describes his grandfather's story after hearing it from his cousin. however, there are other excerpts where budhos is the one that tells the story of her family.

aronson and budhos, who are husband and wife in real life, decided to write sugar changed the world when they found out how sugar, which had an important role in slavery and economy, changed their ancestors' lives.