The correct option is
B (i) Order of thickness, (ii) A, D, B, C
(i) Order of thickness, (ii) A, D, B, C
Say:
The plants are arranged in the order of their heights.
Steps:
If there is another way to arrange them, then they can be arranged as per their thickness.
The thinnest is Plant A. Thicker than that is Plant D, B, and then C.
Thus, ADBC can be the new order.
Hence, option B is the correct answer.