阅读下面短文，从短文后所给的[A]、[B]、[C]三个选项中选出能填入相应空白处的最佳选项。

Every Saturday, Mr. Brown went to the market to buy food and other things. He put 41 in a big basket. He was old and weak, so he always 42 a man to carry the basket home for him. But one Saturday, while he 43 home in front of the man with 44 , the man ran away 45 it. The next week, when Mr. Brown went to the market again, a friend of his said, "Look, 46 ! That man took away your food last week!" Mr. Brown at once ran behind a shop, and stayed there 47 the man left the market. His friend was very 48 , "Why did you do that" he asked. "Well, "said Mr. Brown, "that man was carrying my basket when he left me a week ago. He will want me to pay him for 49 , and that 50 me more than a basket full of food. "