单项选择题


SECTION A CONVERSATIONS
In Sections A, B and C you will hear everything ONCE ONLY. Listen carefully and then answer the questions that follow. Mark the correct response for each question on your ANSWER SHEET.
Questions 1 to 4 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the questions.
Now listen to the conversation.
How did the English Channel come into being

A.Because of a flood 10,000 years ago.
B.Because of an earthquake 10,000 years ago.
C.Because of a flood 100,000 years ago.
D.Because of an earthquake 100,000 years ago.