In Their Critique of the Use of Verbal Reports as a Source

In their critique of the use of verbal reports as a source of data about the cognitive processes involved in a variety of different tasks, Nisbett and Wilson (1977) argued that

A) People are often unable to given accurate reports of the factors which have influenced their behaviors.
B) Retrospective accounts by the participants of the ways in which they performed a task may provide valuable insights into the processes involved in doing the task.
C) Verbal reports are an accurate source of information about the factors involved in our behaviors, decisions, and emotions.
D) People have direct, introspective access to their cognitive processes.