Correct option is D
The correct answer is(A) and (B) both are correct.
Statement (A): Bora is a common variety of rice used in Assam. This statement is true. Bora is indeed a variety of rice cultivated in Assam.
Statement (B): Paddy grows well in clayey soil and requires a lot of water. This statement is also true. Paddy, which is the rice plant in its growing stage, thrives in clayey soil and requires abundant water for cultivation.
Therefore, both statements (A) and (B) are correct.