Trục z’Oz có phương trình?

A. \(\left\{ \begin{array}{l}
x = 0\\
y = 0\\
z = t
\end{array} \right.\)

B. \(\left\{ \begin{array}{l}
x = 0\\
y = t\\
z = 0
\end{array} \right.\)

C. \(\left\{ \begin{array}{l}
x = t\\
y = 0\\
z = 0
\end{array} \right.\)

D. \(\left\{ \begin{array}{l}
x = t\\
y = 0\\
z = t
\end{array} \right.\)