Given the table ASSIGN $($Ass No$,$ Stud No$,$ Stud$\_$Name, Points$\_$Achieved, Points$\_$MaxPossible$),$ which of the following, is$/$are a partial dependency $($Note: $L$ attributes make up the primary key$)$

A$.$ Stud$\_$No $$ Stud$\_$Name

B$.$ Ass$\_$No$,$ Stud$\_$No $->$ Points$\_$Achieved

C$.$ Ass$\_$No $->$ Points$\_$MaxPossible

D$.$ Both A and $C$ above are partial dependencies