Danny and karen are young working professionals raising two children under the age of six. they rely heavily on the of a neighbor, marie, who the children call "grannie marie" and who is often included at family events like holiday celebrations. according to your text, grannie marie would count as

The correct answer is associative/ fictive kin. 

Associative kin refers to a relationship between individuals, where they are not related by blood or family ties, yet, their bond is akin to that of family members or close relatives. Associative kin are likely to spend holidays together, vacation together and see each other regularly. In this instance, Marie shares an associative kin relationship with Danny and Karen's family since they have a close bond.