Q. Suppose that P(n) is a propositional function. Determine for which positive integers n the statement P(n) must be true if: P(1) and P(2) is true; for all positive integers n, if P(n) and P(n+1) is true then P(n+2) is true.

• (A) p(1)
• (B) p(2)
• (C) p(4)
• (D) p(n)