Jim was a waiter. He liked to grow flowers in his garden when he wasfree. One Sunday morning after breakfast he put on his old clothes and began digging in his garden at 8. He dug and dug. Half an hour later he suddenly found a coin near his foot. He was very glad. He put it in his right pocket. A few minutes later, he found another one. He picked it up and put it in the same pocket. The same thing happened for the third, the fourth and fifth time ...He was very happy and told his wife about it. She was very happy, too. She said,“A thief took away a lot of coins from a shop a few days ago. The police caught him but they didn't find any coins.” Then Jim went on digging some more coins.But just when he began to dig, he felt something cold in his trousers.It ran down one of his legs. He put his hand down quickly and the coin came into his hand. Now he knew there was a hole in his pocket. “He told his wife about it.” Here “it”refers to _______.