Letting R Stand for "The Food Is Good," P Stand $\sim p \rightarrow \sim r$

Multiple Choice

Letting r stand for "The food is good," p stand for "I eat too much," and q stand for "I'll exercise," write the following in symbolic form.
-If the food is not good, I won't eat too much.

A) $\sim p \rightarrow \sim r$
B) $\sim ( \mathrm { r } - \mathrm { p } )$
C) $\sim r \rightarrow \sim p$
D) $\mathrm { r } \rightarrow \sim \mathrm { p }$