Given below are two statements, one labelled as Assertion A and the other labelled as Reason R:Assertion A: With the acquisition of Diwani of Bengal the Company directly organized the 'drain of wealth'.Reason R: The Company began to send to England the revenue of Bengal through what were called 'Investment'.In the context of the above statements, which one of the following is correct?

• A. Both A and R are true and R is the correct explanation of A.
• B. Both A and R are true, but R is not the correct explanation of A.
• C. A is true, but R is false.
• D. A is false, but R is true.