Detailed Instructions: You are given a science question (easy-level) and four answer options (associated with "A", "B", "C", "D"). Your task is to find the correct answer based on scientific facts, knowledge, and reasoning. Do not generate anything else apart from one of the following characters: 'A', 'B, 'C', 'D'. There is only one correct answer for each question.
Q: Genetically modified plants with new characteristics have been produced through genetic engineering methods. What impacts have resulted from the use of genetically modified plants?
(A) decreases in farm production (B) decreases in corn, soybean, cottonseed, and canola oils (C) increases in time required to plant, grow, and harvest crops (D) increases in resistance to herbicides, insects, and viral diseases
A:
D