The correct answer is C. Why did he appear different than what he was?.
Answer:
Most likely, she is using it correctly.
Explanation:
I'm assuming from the portion of the sentence that was given that she was referring to some kind of disease or sickness that affects dogs and possibly other organisms.
The correct answer is B because a semi-colon is the best way to join the two sentences since they are both independent.
Hope this helps :)
The Yolk is inside of the egg, so, the Egg is to yolk as suit is to jacket.