I personally believe the answer is D because there is evidence that seems to back up the claim of changing weather. (Sorry if this is late or incorrect)
A. discuss the similarities and differences between the items
Answer:
A Despite not explicitly discussing Hughes or his poetry, King etc.
Explanation:
As the title <em>Langston Hughes' </em><em>Hidden influence </em><em>on MLK </em>clearly shows, the central idea is the non-visible (at first sight) influence of Langston Hughes on MLK. Due to the fact that MLK didn´t explicitly discussed or mentioned L. Hughes, his influence is, therefore, hidden.
Imagery would be "The seas were blue while the beautiful skies were as light as my eyes."
Figurative is "The tears from the young girl were swept by the sea."
And... that's all i have.