The best option is A. It presents students with questions based on their answers to previous questions, when taking an accuplacer the test is for what you have learned and know. When you get ready to take a college course in high school you must pass either a reading, writing or math test, its to see what you know. The questions are both easy and hard, they are to test your knowledge.
By giving the reader a wider and broader sense of recognition of such object, person, emotion, you name it.
for example: the dog walked past me towards its owner.
or
The beautiful brown labrador flounced past me towards its loving owner.
It gives you more detailed information making the reading material more interesting, keeping the reader's attention.
It contributes to the mood depending on what you say and how you say it.
for example: The solemn gray skies.
The gorgeous sparkling lights.
