Read the following Assertion (A) and Reason (R) carefully and choose the correct option:
Assertion (A): The Chotanagpur Plateau is considered an eastern extension of the Central Highlands.
Reason (R): The Chotanagpur Plateau is drained primarily by the Chambal and Betwa rivers.
ABoth A and R are true, but R is not the correct explanation of A
BBoth A and R are true, and R is the correct explanation of A
CA is true, but R is false
DA is false, but R is true
