Trong không gian Oxyz, phương trình đường thẳng đi qua A(1;2;4) song song

A. $\left\{\begin{array}{l}x=1+t\\ y=2\\ z=4-2t\end{array}\right.$

B. $\left\{\begin{array}{l}\begin{array}{l}x=1+2t\\ y=2\end{array}\\ z=4+2t\end{array}\right.$

C. $\left\{\begin{array}{l}\begin{array}{l}x=-1-2t\\ y=2\end{array}\\ z=4+4t\end{array}\right.$

D. $\left\{\begin{array}{l}\begin{array}{l}x=1-t\\ y=-2\end{array}\\ z=2t\end{array}\right.$