<span>In writing compare and contrast essay an author must do the accompanying: 1) Identify and clarify at least three key focuses that at least two subjects have in like manner. 2) Show the likenesses and contrasts between these focuses. 3) Develop a proposition, demonstrating his or her position in regards to the two subjects.</span>
C is the choice I would make because I believe the writer is planning to answer this question: "and how come we think dogs are so smart". The writer never tells us what dogs can't do (a) or mention others being dumb (b) and doesn't make fun of humans (d)