Questions 4 to 7 are based on the following conversation. At the end of the conversation, you will be given 20 seconds to answer the question Now, listen to the conversation. What is NOT true about the construction of the Channel
A.A British team started to drill southeast from Dover. B.A French team started to drill northwest from Sangatte. C.The two teams started drilling in 1990. D.The two teams met under the Channel in December, 1990.