Read the following context and choose the best option to answer the question.
Context: She offers him dinner and he says no , but she wo n't let him pay either so they go Dutch and share the wine . She leans back in her chair and Paul 's eyes follow the graceful arcs of her collarbones and the way her pendent necklace drops to the hollow between her breasts . She watches his eyes and says , " Who is he ? " " Who ? " " The hotel .
Question: Why did his eyes went where it went ?
Options: 
- He was just following his male instincts .
 - None of the above choices .
 - He was checking out her pendant .
 - He was admiring her pendant .


He was just following his male instincts .