A review should begin with a brief summary of the work, including a synopsis of the plot, major characters, and any other important details. This summary should be somewhat specialized to help support the specific critiques that the reviewer will be making, focusing on details that the critic will bring up later in the review.
I'd say the answer is the final one, or D. The story states the commendations that Dr. King gave Lincoln, the one who made the Emancipation Proclaimation and freed hundreds of thousands of slaves, and the joy and happiness he feels knowing that slavery was abolished.
The group of words that qualifies as a dependent clause as written on the options, is letter A. Because there is no evidence. The rest of the sentences are independent clauses. The word 'because' is a kind of conjunction that begins with a dependent clause. Therefore, the answer is letter A.