@gtc713 if the answer you chose is correct, the entire answer choice will be highlighted in green. If the answer choice you chose is incorrect, it will be highlighted in red.
If you did not select the answer, you will see either a green bar or a red bar all the way to the left of the answer choice. The letter, i.e. (A), (B), (C), (D) or (E), will also be colored either green or red. Again, green indicates correct, while red indicates incorrect.
(A) is the correct answer here.
Hope that helps! Please let us know if you have any other questions.