A,
C and D are biased against the use of undercover officers.
A is a personal account from the subject of the question, which is the use of undercover officers.
While B is unbiased and accurate, A gives more of a personal account and therefore is "more" accurate.
Ur Answer is The Hudson valley lies to the East of Buffalo, NY.
The answer is A. Remember this the CPU is like the computers brain.
The denotation of a word gives the word's exact meaning, while the connotation of a word gives the word's emotional meaning.