The Use of Self-Report Methods of Personality Assessment Depends on Which

The use of self-report methods of personality assessment depends on which of the following assumptions?
1) People understand the psychological causes of their typical behaviors,thoughts,and feelings
2) People are able to describe their typical behaviors,thoughts,and feelings rather accurately
3) People are willing to describe their typical behaviors,thoughts,and feelings rather accurately.

A) 1 only
B) 1 and 2 only
C) 1 and 3 only
D) 2 and 3 only
E) 1,2,and 3