The area of the quadilateral $ABCD$ where $A(0,4,1),B(2,3,-1),C(4,5,0)$ and $D(2,6,2)$ is equal to

Question

$$(A)\;9\;sq. units\qquad(B)\;18\;sq. units\qquad(C)\;27\;sq. units\qquad(D)\;81\;sq. units$$