Which One of the Following Represents One of the Constraints $3 s-3 c+a \geq 0$

Which one of the following represents one of the constraints in question 9?

A) $3 s-3 c+a \geq 0$
B) $a+c+s \leq 7$
C) $3 c+3 s+a \leq 0$
D) $17 s+10 a+13 c \leq 250$
E) $c \leq 2 s$