Im not taking biology right now but I recommend you get a piece of lined paper and write some notes yourself..bring those to class too cause it might help or assist you..
After 1 week of lectures, I learned that I should spend some extra time just reading through my book and taking some notes..cause my lecture notes are simple summaries and fail to grasp the concept properly..like i cant just use those to study for the test..however, u can use them to focus on a specific part in the textbook!
hope that helps
edit: but A,B,and C all work! Heck, im gonna steal those ideas from you =P