Match List-I with List-II and select the correct answer:

List-I (Hydrosere stages)	List-II (Plants)
a. Submerged stage	1. Hydrilla, Potamogeton
b. Floating stage	2. Lemna, Nymphaea
c. Reed swamp stage	3. Polygonum, Juncus
d. Marsh meadow stage	4. Sagittaria, Phragmites

A. a-1, b-2, c-4, d-3

B. a-3, b-2, c-1, d-4

C. a-2, b-1, c-3, d-4

D. a-4, b-2, c-3, d-1

Answer: Option A