Replace the Cartesian Equation with an Equivalent Polar Equation $r = 11 \sec \theta$

Multiple Choice

Replace the Cartesian equation with an equivalent polar equation.
-x = 11

A) $r = 11 \sec \theta$
B) $r = 11 \cos \theta$
C) $\mathrm { r } = 11 \csc \theta$
D) $r = 11 \sin \theta$