Answer:
d. Both a. and c.
Step-by-step explanation:
If you have to critique her performance afterwards, you have to pay close attention to her presentation and be objective and honest about her performance. You should talk about what she did good and wrong and provide advice on what she can do to improve the things that she didn't do well. It is important to take into account that you shouldn't let your feelings get in the way and trying to say only good things is not a good idea as that won't allow to her to learn from her mistakes. According to this, the answer is both a. and c.