Four-Year-Old Della Asks Her Mother for a Special Treat Every

Four-year-old Della asks her mother for a special treat every time they go to the grocery store. At first her mother granted every request, but now she does so less consistently. Research suggests that Della will

A) soon give up asking for a treat entirely.
B) come to ask for a treat only occasionally.
C) continue to ask for a treat nearly every time she goes to the store.
D) sk for a treat every time her mother takes her out, even if they don't go to the grocery store.