Q. Consider three problems P1, P2 and P3. It is known that P1 has polynomial time solution and P2 is NP-complete and P3 is in NP. Which one of the following is true.

• (A) P3 has polynomial time solution if P1 is polynomial time reducible to P3
• (B) P3 is NP complete if P3 is polynomial time reducible to P2
• (C) P3 is NP complete if P2 is reducible to P3
• (D) P3 has polynomial time complexity and P3 is reducible to P2