One Limitation of the Thinking Aloud Methodology Is

One limitation of the Thinking Aloud methodology is:

A) Participants cannot verbalise all of their thoughts e.g. very automatic or subconscious thoughts and therefore data is incomplete
B) Making participants verbalise their thoughts may interfere with the task that they are doing.
C) All of these
D) It produces qualitative data which is difficult to analyse objectively
E) It does not explain behaviour, merely produces descriptions of it