Answer: A) Self-regulation feedback
Explanation:
Self-regulation feedback is the response that is obtained by modifying and controlling the own-self according to the aim,learning and instruction. It helps in guiding the path and controlling the action for the feedback.
According to the situation in question, Mr.Nguyen has given self-regulating feedback for Shana as he wants her to check that document's heading is matching the standard of assignment by her own-self as she is already creating good slides.
Other options are incorrect because self feedback is self response ,process feedback is feedback that is response of a processing and task feedback is gained by performing the task.Thus, the correct option is option(A).