Which question is asked to establish the trustworthiness requirement as related to the admissibility of the health record into evidence?$$ a$.$ Were the health records available at or near time the event was recorded? b$.$ Which external procedures were followed concerning access to health records? c$.$ Did the person recording events $($e$.$g$.,$ patient care$)$ have knowledge of the events? d$.$ Were the health records kept during the ordinary course of business?