When One Patient Expresses Pain Very Emotionally, and Another Patient

When one patient expresses pain very emotionally, and another patient refuses to admit she has any pain but is grimacing, this may illustrate ____.

A) that one patient is strong and the other is weak
B) different cultural beliefs
C) that one patient is taking the prescribed medication and the other is not
D) an underlying psychological problem
E) that one patient is looking for sympathy