SectionCDirections: In this section,you will hear three passages. At the end of each passage, you will hear three or four 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 your choices marked A),B),C) and D). Then mark he corresponding letter on Answer Sheet 1 with a single line through the centre.[音频]Questions 16 to 18 are based on the passage you have just heard.What does England spend an annual three million pounds on?
A. Paying hospital bills for emergency cases.
B. Doing research on ear, nose and throat diseases.
C. Removing objects from patients’ noses and ears.
D. Providing routine care for small children.