Answer: C. speaking to students who were recently accepted into the college Opal would like to attend.
According to the guidelines of the text, one should take advantage of the research that others have performed instead of wasting time compiling information on your own. Therefore, the best thing for Opal to do is to talk to people who might be able to help her. As she already has a college in mind, the best strategy would be to talk to students that were able to get in. It is likely that they followed strategies that would prove to be useful for Opal.
In order to strengthen the conclusion that revolution is necessary, it could be added that d. Colonists have previously asked the king to reform these laws. The king has chosen not to reform the laws, even when the colonies asked nicely and proposed ways to reform these laws into new ones that would benefit all, so they were only left with the path of Revolution.