The answer is the last one. Hannah thinks that cats are happier outdoors than they are indoors.
The personal problem that Milton examined in his poem Lycidas is how to deal with the loss of loved ones.
He wrote in that poem about his best friend who died, so it is a sort of a manual on how to get over your grief as well. It is an ode to his best friend whom he lost and couldn't forget, so he decided to commemorate him in a poem and thus he will live forever through art.
No you do not need a comma on this sentence here.
I would say its A because the paragraph is talking mostly about how woman and men are the same