A public service announcement attempts to
-convince people to buy a particular brand or product.
-persuade people to take action on an important issue.
-criticize people with images of society’s wrongdoings.
-entertain people with a comedic look at an important issue.

I would say its B.) persuade people to take action on an important issue.

Explanation:

its c because its his point of view

the pronoun reference replaces a noun, but you have to make sure there's no room for confusion.

in the first sentence "her" could be referring to shely or to the sister. the answer there is "shelly called her sister and told her about the new baby."

in the second sentence "it" could be referring to the roof or the floor. the answer there is "since the roof leaks on the family room floor, we need to repair the roof."