how does Lancelot's past behavior lead to the conflict and the moral dilemma he faces in the siege of Benwick?

Which sentence does not contain an intensive pronoun? a) i guess i will just take out the trash myself. b) while treating herself to lunch, angie ran into an old friend. c) tony himself made dinner last night even though he hates to cook. d) lisa wondered if she herself was the one who left the oven on all day.