Consider the following statements and select the correct answer by using the codes given below: Assertion [A]: In South India, semiarid steppe climate is found in parts of Karnataka plateau. Reason [R]: It lies in rain shadow area of Sahyadris.

• A.  Both A and R are correct and R is the correct explanation of A.
• B.  Both A and R are correct, 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.