Read the article and select the best answer. Article: There is one holiday in the year which is completely American, Thanksgiving Day. It is the day when everyone goes back home to spend the day with his family, to have the traditional Thanksgiving dinner of roast turkey, to talk about old times. This is a story of Thanksgiving Day and of one man's efforts, under rather special circumstances, to carry on these traditions. Old Pete took his seat this day on his usual bench in Union Square. Every Thanksgiving Day for nine years, Pete had taken this same seat exactly at one o'clock, and each time the same pleasant thing had happened. But this time Pete had come here more from habit than from hunger. Certainly today Pete was not hungry. He had just had a dinner so enormous that he could hardly breathe. The buttons on his ragged shirt and coat were about to burst. He was so full of soup, oysters, roast turkey, apple pie, ice cream, and a dozen other rich foods that the November breeze and the first light fall of snow felt cool and pleasant to his face. The meal had been completely unexpected. He had been passing one of the large homes on Fifth Avenue, where there lived two rich old ladies. It seems that it was their custom each Thanksgiving to place a servant at the front entrance with orders to bring in the first hungry looking person that passed and then give him a Thanksgiving dinner of everything he could eat. On this particular Thanksgiving Day, Pete had passed, the servant had brought him in, and, before Pete knew it, he was being served like a king with more food than he could eat. Pete sat on the bench now, hardly able to move. He happened to look to the left and there in the distance he saw the Old Gentleman coming toward him. He wanted to get up and run, but he was so full of food that he stayed right there. Every Thanksgiving Day for nine years, the Old Gentleman had come here, and found Pete on this same bench, and then taken him to a restaurant and bought him a Thanksgiving dinner. It was a kind of tradition which the Old Gentleman, who had no family and... Question: This year Old Pete came to the Union Square because _ . Options: A: he was hungry and expected to find some food B: he had nowhere to go on the Thanksgiving Day C: he wanted to meet the Old Gentleman and check his health D: it was a convention for him to accept the Old Gentleman's dinner
The answer to this question is:
D