Am pretty sure the correct answer is C.
The adverb clause in this sentence is 'before class starts', and it modifies 'meet', so A is the correct answer.
Explanation:
The repetition emphasizes Johnson's belief in justice, and he guarantees to the American people that he will do everything in his power to ensure equal rights for all.
The answer is B. Circular Reasoning.
Circular reasoning is when you attempt to argue by beginning with an assumption that what you are trying to prove is already true.