Respuesta :
A player’s account of what it was like to play in the National Football League
Answer: Option B.
Explanation:
In a research paper, to collect the information certain sources are used so that the paper can be written and has accurate and ample amount of information in it so that the reader of that research paper understands the matter of the paper well.
The sources from which the information can be collected can either be a primary source or it can be secondary source. When the information is collected by the person himself then it is a primary source but when it is taken from some where else, then it is a secondary source.