Consider the Linear Program Below

Multiple Choice

Consider the Linear Program below. Which of the choices represents the best (tightest) lower bound?
Max 2X + Y
Subject to
X + Y ≤ 10
X, Y ≥ 0

A) (∞, -∞)
B) (-∞, -∞)
C) (0, 0)
D) (5, 0)
E) (25, 16)