Consider the following code:

if any$($keyword in feedback.lower$()$ for keyword in positive$\_$keywords$)$: positive$\_$count $+=1.$

What does this code do$?$

a$.$ It increments the positive$\_$count if the feedback contains any word in positive$\_$keywords.

b$.$ It creates a new list of feedbacks that contain positive keywords.

c$.$ It converts positive$\_$keywords to lowercase and checks if feedback is present in it$.$

d$.$ It adds $1$ to feedback for every positive keyword found.