Well, it depends on what online site you have. Email your mentor teacher, ( if you have one) or call them. if they do not answer then leave a voicemail
I believe that the answer is C. This is most likely the best option because it also adds a subject. B does add a better description but putting "While I" in answer C shows who is listening to the sentence
Primary Source because the primary come from the person who actually live through what they wrote.
And secondary comes from the primary source but they might change stuff so that’s why it is not reliable.
