Emily Is an Excellent Student

Emily is an excellent student. She puts in long hours on her schoolwork and often gets the top mark in the class. However, she is always relaxed and seems fairly easygoing. She does her schoolwork as it is assigned and doesn't put herself under pressure by leaving things to the last minute. She is also always willing to take the time to explain difficult material to other students in her classes. Emily would MOST likely be described as having a

A) Type A personality.
B) prosocial personality disorder.
C) dependent personality disorder.
D) Type B personality.