Step 1: Identify what counts as “cognitive therapy.”
Cognitive therapies treat emotional/behavior problems by changing {maladaptive thoughts}, beliefs and information-processing.
Step 2: Map the options.
• Ellis’s RET/REBT uses the A-B-C model: an {Activating event} (A) triggers {Beliefs} (B) that produce {Consequences} (C). Therapists {dispute} irrational beliefs (D) and install {effective new philosophies} (E).
• Beck’s Cognitive Therapy targets {automatic negative thoughts} and deeper {schemas}; key tools are {Socratic questioning}, {thought records}, {behavioral experiments}, and the {cognitive triad} (self–world–future).
Step 3: Rule out distractors.
“None of these” is false because both RET and Beck’s CT are the two {classic} cognitive therapies.
Step 4: Conclude.
$$
\boxed{\text{Both (A) and (B)}}
$$