Which Statement Describes Data That Is from a Primary Source

Multiple Choice

Which statement describes data that is from a primary source?

A) The client's wife said that he had these symptoms for months.
B) The old chart has a note that the client denies any previous heart attacks.
C) The admitting nurse stated that the client was in severe pain when admitted yesterday.
D) The client says he came to the hospital because he is too short of breath to sleep.