Johnny Is a Sophomore in College and Has a 1

Johnny is a sophomore in college and has a 1.5 cumulative grade point average (GPA) .Johnny's cumulative GPA will fall even further next semester if he performs worse than

A) (i) and (ii) only
B) (i) and (iii) only
C) (ii) and (iii) only
D) (i) ,(ii) ,and (iii)