Answer:
Option (A)
Explanation:
Option (A).
Plane ZWU is a plane forming the diagonal of the prism.
Points joining Z,W,T,U is the same plane as plane ZWU.
Therefore, point T will be the fourth point on plane ZWU.
Option (A) is the correct option.
Option (B).
Point X doesn't lie on the plane ZWU.
False.
Option (C).
Point Y doesn't lie on the plane ZWU.
False.
Option (D).
Point S doesn't lie on the plane ZWU.
False.