What is one role that a literary critic fulfills

Literary criticism is referred to as the learning, assessment, and analysis of literary works. Contemporary literary criticism often depends on the literary theory, which is the idealistic discussion of literature's objectives and techniques.

A critic is the one who offers a thorough review of arts or ethnicity and can focus on one of a variety of genres in the vast gamut of literature. These evaluations can emerge in the media, newspapers, or online. Moreover, a literary critic can be called audiences’ advocate, who provides readers with information about a new creation or book.

A critic evaluates for the general public and cannot suggest biased statements to prove his/her theory. He also has nothing to do with the financial progress made by a book.

So, the correct answer here, considering the role of a critic is:  as a social commentator, who explains what a book says about people in general.

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the major theme of langston hughes’s montages of a dream deferred is the deferred, or delayed, american dream of african americans. the poem is about how african americans failed to achieve their goals in time:

this year, maybe, do you think i can graduate?

i’m already two years late.dropped out six months when i was seven,

a year when i was eleven,

then got put back when we come north.

to get through high high school at twenty's kind of late–

but maybe this year i can graduate.

the poem also depicts how african americans had to keep postponing their needs with a hope that someday they would be able to obtain what they desired:

maybe now i can have that white enamel stove

i dreamed about when we first fell in love

eighteen years ago.

but you know,

rooming and everything

then kids,

cold-water flat and all that.

but now my daughter’s married

and my boy's most grown–

quit school to work

and where we're moving

there ain't no stove–

maybe i can buy that white enamel stove!

however, despite their deferred dreams, the poem shows the refusal of african americans to give up easily and let go of their dreams of a better life. their dreams may have been delayed, but they did not lose hope.

is the answer