题目

A young man worked very hard at his lessons. He was too busy to have a rest. At last, he became ill---he couldn’t go to sleep . Every night, when night, when he went to bed, he closed his eyes and tired to sleep. But he always stayed awake and couldn’t fall asleep.After some days, he decided to see a doctor, “I just can’t go to sleep at night. What should I do ? Could you please help me?”“I have a suggestion（建议）,”said the doctor. “Try counting numbers. By the time you reach one thousand, you’ll be asleep. I’m sure of it.”The next day the man returned to the doctor  Good news for you, class! Mr.Lee said just now that we____________ a picnic the next weekend. A. will have B. are having C. would have D. had