What set of Server-Side JavaScript activities should the developer use?

A developer wants to retrieve daily JSON data from a customer’s API and write it to a data extension for consumption in Marketing Cloud at a later time.

What set of Server-Side JavaScript activities should the developer use?
A . Platform.Function.InvokeRetrieve(); Platform.Function.ParseJSON();
Platform.Function.UpsertData();
B . Platform.Function.HTTPGet(); Platform.Function.ParseJSON();
Platform.Function.UpsertData();
C . Platform.Function.InvokeRetrievef); Platform.Function.Stringify();
Platform.Function.UpsertDE();
D . Platform.Function.HTTPGe(); Platform.Function.Stringify(); Platform.Response.Write();

Answer: C