Which of the Following Is a Weakness of Self-Report Measures

Which of the following is a weakness of self-report measures?

A) They are difficult to use with behaviours that are rare or that typically occur in private settings.
B) They may be invalid because they cannot sample behaviour as it occurs naturally.
C) They may be invalid because they do not access thoughts and ideas.
D) They may be invalid because situational cues may suggest to the participant how the researcher wants them to respond.