Who Is Engaging in the Tend-And-Befriend Response

Who is engaging in the tend-and-befriend response?

A) Mrs.Polk,who is fixing dinner for a friend whose husband just lost his job
B) Mrs.Smithers,who is taking her neighbor out to dinner while their children are at the movies
C) Mrs.Jefferson,who baked a cake for her friend's son's birthday party
D) Mrs.Holt,who is cleaning her daughter's apartment while she is in class