Assertion A: A State refrains from taking aggressive action using its first strike capability because of the concept of MAD.Reason R: If opponent has second strike capability, the deterrence can be successful.Codes:

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