The answer is B. A CONCLUSION THE READER MAKES BASED ON INFORMATION IN A TEXT
Mumble was kind and friendly and shy at times but brave when needed to be ,Mumble was eager and curious also but was awkward,he was insecure of his place in the colony .
Mumble loved to dance ,it was what he loved to do and put passion into the idea of dance.
I hoped I have helped some in your question
The best example of a primary source among these options that you've mentioned is an interview with her dad who is a Vietnam veteran. She can get all the details she needs from a person who was actually there.
b. The research focus may change as the reader begin to delve into the topic.