The correct answer is A. This is the case of using comma before a coordinating conjunction <em>and</em> because it links two independent clauses. We can observe that there two parts of this full sentence and each part is independent from each other. Both of them have their own subject and verb. Therefore, we are using a comma before <em>and</em>.
Answer:
D
Explanation: hope this helps :)
What are the statements? Sorry can’t help much
<span> abatements acceptors accumulate acknowledge acolytes acquitted
activates addressing adiabatically adulthood affectation Afghanistan
airdrops alienation alternated amusedly analysis Anglophobia
animately annually answerable anterior appertain applying appointed
apropos archaicness arrests arrivals asbestos atonally attitude
attunes augments automated Aventino Avernus avocation awfully
backslashes backtracking Balkanizes bandwagons Bayreuth bedazzles
bedposts beginnings benediction Berlinize Bernardino bettering
bewitching bipartite Blackwells blasphemes blissful bolstered
Bontempo borrowed botanist boulevard boundary boycott bronchus
Burnett burnished buzzy cannibalized carpenter centipedes cherishing
chimpanzee choppers chromium. I could go on, but I won't. But I could! It's a very basic algorithm you could run in a Linux dictionary system.</span>