Answer:
B). Understanding.
Step-by-step explanation:
'Understanding' is a comprehensive process that requires in-depth attention for learning the significance of a specific idea, concept, or argument.
As per the given description, Priscilla is involved in 'understanding' as she aims to listen attentively and focus conscientiously to perceive the idea or point of view explained by the supervisor and attempts to interpret the suggestions provided by Fred. She further uses her understanding and interpretation to associate to her own ideas which reflects that she has understood or learnt the concept successfully and she's now able to apply it. Therefore, option B is the correct answer.