He's still advertising for Harry Hagberd in the Sunday papers. He informed Bessie that these sheets had been read in far-flung corners of the globe. Simultaneously, he appeared to believe that his son was in England—so close to Colebrook that he would arrive ‘tomorrow.' Bessie, without committing herself to that position in so many words, maintained that in that circumstance, the cost of transportation was justified. It would be better if you spent that week half-crown on Captain Hagberd instead of advertising. Miss Bessie referred to his outbursts as tantrums. She aggressively shook her finger at him. Captain Hagberd's actions anger and disgust Bessie from time to time.
A compound (A) with molecular formula $C_4H_9I$ which is a primary alkyl halide, reacts with alcoholic KOH to give compound (B). Compound (B) reacts with HI to give (C) which is an isomer of (A). When (A) reacts with Na metal in the presence of dry ether, it gives a compound (D), C8H18, which is different from the compound formed when n-butyl iodide reacts with sodium. Write the structures of A, (B), (C) and (D) when (A) reacts with alcoholic KOH.