Final answer:
Without the full context of Van Epp's three Cs, it is not possible to accurately answer which of the options is not included as one of the three Cs.
Step-by-step explanation:
The question refers to the three Cs identified by Van Epp, which are not included within the given options. It appears that the question is incomplete as the three Cs of Van Epp are not listed. Typically, the three Cs refer to Character, Competency, and Compatibility, which are part of a framework used for developing healthy relationships. However, without the correct context or the actual items listed by Van Epp in the question, it is not possible to determine which of the three Cs is not included.