单项选择题In this section, you will hear three passages. At the end of each passage, you will hear some questions. Both the passage and the questions will be spoken only once. After you hear a question, you must choose the best answer from the four choices marked A), B), C) and D).A、English, grammar, literature and math. B、History, science, English and math. C、Math, history, biology and chemistry. D、Physics, history, economics and music.