Questions 4 to 6 are based on the following conversation. At the end of the conversation, you will be given 15 seconds to answer the questions. Now, listen to the conversation. What is the man’s opinion of the assignment
A．The assignment will improve their public speaking skills. B．The assignment will help them meet people in their field. C．The assignment is more difficult than he had expected. D．The assignment has taken too much of their tim