Answer: d. Asking her to talk about her beliefs about caterpillars and butterflies
Explanation:
Option D is correct because asking her to talk about her beliefs on the process might only serve to reinforce her beliefs in her own assertions. It is not likely to change her mind.
Option A is incorrect because as she would get to see the process occur, her beliefs will probably change.
Option B is also incorrect because family have a very strong influence over a toddler and them telling her what to believe might change her mind.
Option C is incorrect because Brittany will see the process first hand and as a result will probably change her belief on the matter.