Study the following information carefully and answer the questions given below:
Eight boxes - Q,R, S, T, U, W„ X and Z — are stacked above one another. Only one box is kept between X and Q. Only three boxes are kept between X and W. X is kept at one of the positions below W S is kept immediately below W. There are as many boxes between W and Q as between. S and R Only four boxes are kept between Rand Z. T is kept at one of the positions above Z,
As per the given arrangement, four of the following five are alike in a certain way and hence they form a group. Which one of the following does not belong to the group?

Options

A. RX
B. ZT
C. WQ
D. RQ

Answer

C