单项选择题

Directions: You will hear three pieces of recorded material. While listening, answer each question by choosing A, B, C or D. You will hear each piece only once. Questions 11—13 are based on a global boycott of KFC. You now have 15 seconds to read Questions 11—13. How many chickens become the KFC chain’s fried meals every year

A.500 million
B.600 million
C.700 million
D.800 million