Given below are two statements:

Statement-I : Allopatric speciation requires thousands to millions of years and thousands of generations.

Statement-II: Allopatric speciation occurs commonly in plants through polyploidy.

In the light of the above statements, choose the correct answer from the options given below :

A

Both Statement-I and Statement-II are true.

B

Both Statement-I and Statement-II are false.

C

Statement-I is true but Statement-II is false.

D

Statement-I is false but Statement-II is true.