In Question, you have two brief passages with 5 questions. Read the passage carefully and choose the best answer to each question out of the four alternatives and mark it by blackening the appropriate oval in the Answer Sheet.

After lunch. I felt at a loose end and roamed about the little flat. It suited us well enough when mother was with me, but now I was by myself it was too large and I'd moved the dining room table into my bedroom. That was now the only room I used ; it had all the furniture I needed; a brass bedstead, a dressing table, some cane chairs whose seats had more or less caved in, a wardrobe with a tarnished mirror. The rest of the flat was never used, so I didn't trouble to look after it.
'After lunch I felt at a loose end' means because