29. 下列何者是胃癌的危險因子？(1) Fundic gland polyp (2) Epstein–Barr virus (EBV) infection (3) Helicobacter pylori infection (4) Gastric atrophy (5) Non-steroid anti-inflammatory drug-related gastritis (A) (1)＋(2) (B) (3)＋(4) (C) (1)＋(3)＋(5) (D) (2)＋(4)＋(5) (E) (2)＋(3)＋(4)