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

List-I	List-II
a. Oenothera lamarckiana	1. Autoallohexaploid
b. North American cotton plant	2. Autotetraploid
c. Triticum vulgare	3. Allohexapioid
d. Solanum nigrum	4. Allotetraploid

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

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

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

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

Answer: Option D