Given below are Assertion (A) and Reason (R). Consider them and select the correct option:
Assertion (A) In the context of Descartes philosophy whatever is clear and distinct must necessarily be true.
Reason (R) Knowledge is constituted of clear and distinct ideas.

A. Both A and R are true and R is not the correct explanation of A

B. A is true and R is false

C. A is false and R is true and R is the correct explanation of A

D. Both A and R are true and R is the correct explanation of A

Answer: Option D