What Is the Main Shortcoming of a Critically Appraised Topic

Multiple Choice

What is the main shortcoming of a critically appraised topic (CAT) when it comes to levels of evidence?

A) The critically appraised topic professionally summarizes only one research study.
B) The critically appraised topic focuses on a single clinical question.
C) The critically appraised topic is short and geared toward practitioners.
D) The critically appraised topic is usually not thoroughly reviewed.