The Authors of Your Text Describe an Incident in Which

The authors of your text describe an incident in which a friend of theirs, Alan, found the body of an elderly neighbor. Despite obvious signs that she was murdered, Alan insisted that she died of old age because __________.

A) he has poor social perception
B) his expectations that she died of old age led him to ignore evidence that she was murdered
C) only an experienced police officer would have the skills to determine a murder took place
D) he was the real murderer, but wanted to cover up his crime