In order to change this to indirect speech, this question needs to be written in the past tense with the quotation marks removed.
The correct variant is: She asked me if she could keep my dictionary until Friday.
He incorporates it to reflect a blues musical timing.
A signature of Hughes's poetic style is his meter. It reflects the rhythms of Harlem's jazz and blues during his time period, as well as black folk rhythms. Hughes's poetry is reflective of the African American culture in, not only its content, but also its rhythms.
The other two options are simply incorrect. He did not writing jingles for depression medication has nothing to do with how he incorporates meter. While the first does indicate the blues sound, it's not completely correct.
I would go with B. "parlor generals and field deserters"
The answer is B, because a simile uses "like" or "as" to compare 2 things.