After a field trip to the museum, leslie asks her son, "what was the first thing we did? why weren't the trains moving? i thought that the pink airplane was really big. what did you think? " leslie is using a(n) style to elicit her son's autobiographical memory.

Leslie is using an "elaborative" style to elicit her son's autobiographical memory.

According to the research the elaborative style which contains a lot of question styles, like what?, if?, Why? When, etc. into the conversation with a child, help the child remember the past events in more detail than simple question sentences. The more elaborative a parent can be about an event the more the child will have the details memorized. 

The answer is c) protestant clergy