Answer:
A and B
Explanation:
In A the color of the student's eyes doesn't determine the gender of the person so event B doesn't depend on A
In B it is also the same thing. Liking iced tea doesn't mean you automatically sing in a choir
In C event A depends on even B. Practicing free throws can help you in joining a team which makes B dependent on group A
Finally, In D event A is dependent on B. Doing homework can most likely help you pass a test