If you fail to anticipate audience questions, they may have more confusion after reading your writing than they did at the start. Also, if you don't address common questions they might think that you haven't done all of the research necessary to know the whole topic. Finally, they might not trust your writing as much if you don't have the answers to their questions.
I know this is late but for the future peoples running into this question I just took the test and the answer was A. the commonality of shared feelings and experiences.
