A copyright, because it prevents other people from stealing your creations.
The answer to this would be B, because it cannot be used as a sentence by itself. The other three can be used as a sentence without needing another fragment of the sentence. Another example of answer B is that it is a dependent clause, and the other three are independent clauses.
So B is your answer.
Imagery, alliteration, and i dont know what the other one would be. Check to make sure.
If you are looking for a way to connect these two clauses, you might want to use the subordinating conjunction "because" making it a complex sentence consisting of an independent clause "he was rejected from the program" + because "of his poor analytical skills".
Answer The keeper and the ghosts know where the old road ran.