Find a Set of Parametric Equations of the Line $( 5,6,6 )$

Multiple Choice

Find a set of parametric equations of the line.
Passes through $( 5,6,6 )$ and is parallel to the xz-plane and the yz-plane

A) $\begin{array} { l } x = 5 + \mathrm { t } \\y = 6 \\z = 6\end{array}$
B) $\begin{array} { l } x = 5 \\y = 6 \\z = 6 + t\end{array}$
C) $\begin{array} { l } x = 5 \\y = 6 + t \\z = 6\end{array}$
D) $\begin{array} { l } x = 5 \\y = 6 + t \\z = 6 + t\end{array}$
E) $\begin{array} { l } x = 5 + t \\y = 6 + t \\z = 6\end{array}$