Answer
$\bf {Graph(g)}$
Work Step by Step
Since, we have $x=2 \cos t, y =2 \sin t; z=0$
Now, we get $x^2+y^2=4; z=0$
This shows an equation of a circle in the plane $z=0$ with radius $2$.
Hence, the required answer is $\bf {Graph(g)}$