The question below consists of a set of labelled sentences. Out of the four options given, select the most logical order of the sentences to form a coherent paragraph.

This idea, however startling it may at

X-first appear, is quite in accordance, as
Y-before stated, with the analogy of changes
Z-now going on in certain regions of the globe

A

ZYX

B

XYZ

C

ZXY

D

YZX