Answer:
Are there any options given?
Explanation:
B, if you only study for a few minutes in each subject each night you have the chance to review what you studied the night before
A simile is a comparison of two unlike things using "like" or "as".
For example:
"John was like an eagle, as he quickly spotted the rabbit, and was able to capture it."
Note that the word <em>like</em> was used, and that it compared <em>John</em> with the <em>eagle</em>
hope this helps