题目内容：
One day a police officer manager to get some fresh mushrooms.He was so 1 what he had bought that he offered to 2 the mushrooms with his brother officers.When their breakfast arrived the next day, each officer found some mushrooms on his plate. "Let the dog 3 a piece first,"suggested one 4 officer who was afraid that the mushrooms might be poisonous.The dog seemed to 5 his mushrooms, and the officers then began to eat their meal saying that the mushrooms had a very strang 6 quite pleasant taste.
An hour 7 , however, they were all astonished when the gardener rushed on and said 8 the dog was dead. 9 , the officers jumpedsintostheir cars and rushedsintosthe nearest hospital.Pumps (泵) were used and the officers had a very 10 time getting rid of the mushrooms that 11 in their stomachs.When they 12 to the police station, they sat down and started to 13 the mushroom poisoning.Each man explained the pains that he had felt and they agreed that 14 had grown worse on their 15 to the hospital.The gardener was called to tell the way 16 the poor dog had died."Did it 17 much before death?"asked one of the officers, 18 very pleased that he had escaped a 19 death himself."No,"answered the gardener looker rather 20 ."It was killed the moment a car hit it."
回答题。
1.填入正确答案 A．sure of
B．careless about
C．pleased with
D．disappointed at
参考答案：
答案解析：