Read the following passages carefully and answer the questions given below them:I folded the letter again and slipped it carefully back into Its envelope. I kept awake all night. By morning I knew what I had to do. I drove into Brid port, just a few miles away. I asked a boy walking his dog where Copper Beeches was. House number 12 turned out to be nothing but a burned-out shell, the roof gaping, the windows boarded up.I knocked at the house next door and asked 1f anyone knew the whereabouts of a Mrs Macpherson. Oh yes. said the old man In his slippers, he knew her well. A lovely old lady, he told me, a bit muddle-headed, but at her age, she was entitled to be, wasn’t she? A hundred and one years old. She had been in the house when It caught fire. No one really knew how the fire had started, but it could well have been candles. She used candles rather than electricity because she always thought electricity was too expensive.The fireman had got her out just in time. She was In a nursing home now, he told me, Burlington House, on the Dorchester road, on the other side of town.(1) ‘I knew what I had to do.’ What had the narrator to do?(2) In what condition was the house found by the narrator?(3) What do you understand by the word ‘muddle-headed’ in reference to Connie Macpherson?(4) Why did Connie Macpherson use candles in place of electricity?