单项选择题

Questions 15 to 17 are based on the following passage. At the end of the passage, you will be giv en 15 seconds to answer the questions.
Now, listen to the passage.

It was not until ______ that the traditional British wine industry totally became extinct.

A.about A. D. 300
B.the twelfth century
C.the sixteenth century
D.the year of 1975