68. The most immediate potential benefits of introducing genetically modified crops include ______. I. creating crops that can grow on land previously unsuitable for agriculture II. creating crops with better potential for biofuel production III. creating crops with better nutritional attributes IV. increasing crop yield V. decreasing the mutation rate of certain genes (A) III, IV, and V (B) II, III, and IV (C) I, II, and III (D) I, II, III, and IV (E) I, II, III, IV, and V