Max's strange TV-watching behavior after ECT is most likely that he thinks last year's episodes of his favorite series are new, reflecting short-term memory loss. This cognitive effect is a common side effect of ECT. While other options were considered, they either suggested more severe memory loss or comprehension issues not typical of ECT. ;
Max's strange TV-watching behavior is most likely that he thinks last year's episodes of his favorite series are new, due to short-term memory loss following ECT. This aligns with the common cognitive effects of anterograde amnesia that can occur after the treatment. Thus, option C is the best choice given the context of his treatment.
;