Write an Equation Relating the Variables in the Situation Described $S = D T$

Multiple Choice

Write an equation relating the variables in the situation described.
-The distance D traveled in T hours at a constant speed of S mph.

A) $S = D T$
B) $\mathrm { D } = \mathrm { ST }$
C) $D = \frac { S } { T }$
D) $D = \frac { T } { S }$