Teacher:You are given a science question (hard-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.
Teacher: Now, understand the problem? Solve this instance: New technology in some countries focuses on medical procedures and space exploration. In other countries, new technology focuses on preventing disease and feeding an increasing population. Which statement best explains why countries focus on different types of new technology?
(A) Technological advances are not effective in some populations. (B) Needs and attitudes influence technological development. (C) Medical advances are not important in some countries. (D) Technology is inexpensive in developing countries.
Student:
B