It might be said that the correct option is A People don't always get what they want. She tried to portray the idea that love is not easy to win and she enhanced this idea by using her personal experience (her memories).
Mercutio agrees, saying that dreams “are the children of an idle brain” . Mercutio seems to be saying that dreams are like illusions meant to tempt men's souls but fall apart when he wakes. There is some pretty strong intensity here.