The general point is "Carla is a pleasure to be around." This is non specific.
All other points outline specific attributes that support this statement, referring to her smile and willingness to listen and ask questions.
C the narrator traveled with the artillery man
I believe it is the first choice, reading a journal that is unedited and unorganized.
This is because your stream of consciousness is whatever comes to mind, unedited, not necessarily factual nor easy to understand.
