Final answer:
An FBA may include direct testing, parent interviews, direct observations, and record reviews to understand a student's behavior.
Step-by-step explanation:
An FBA, or Functional Behavioral Assessment, might include various methodologies for gathering information about a student's behavior to identify the reasons behind it and determine how it is influenced by the environment. The components you mentioned, such as direct testing, parent interview, and direct observations are correct. Furthermore, record review can also be an essential element of an FBA. Thus, the full answer to your question would be both A and B: FBA might include direct observations and record review.