Answer:
C: explain her viewpoint and provide a fact to support her opinion.
Explanation:
During a group discussion, you should always try to respectfully present your own opinion and listen to others' opinions as well. If others are disagreeing with Anya's viewpoint, then she should respectfully attempt to persuade the others that her argument is correct using facts to support her opinion. This would be the most effective method for Anya to encourage others to agree with her opinion. Hence, the answer is Option C.