听下面一段对话,回答第1-3题。 1. Why was the woman late? A. It was very crowded in the subway. B. She didn’t want to hand in the essay. C. She spent a long time doing homework at home. 2. Which of the following is NOT their task? A. Writ e a book review. B. Process the data they collect. C. Collect data from at least five subjects. 3. What is the deadline of the data collection assignment? A. 23rd. B. 19th. C. 20th.