The option that does not qualify as a group for purchasing group health insurance is C. A single employer with only 10 employees, due to the smaller size not meeting the requirements for group insurance. Conversely, associations, multiple employer trusts, and labor unions are considered valid groups for this purpose.
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A single employer with only 10 employees does not qualify as a group for purchasing group health insurance, as larger entities or groups are typically required. Associations, multiple employer trusts, and labor unions are all valid groups for this purpose. ;