Four phrases/sentences have been removed from the text below. For each question, mark the letter A, B, C, or D on your answer sheet to indicate the correct option that best fits each of the numbered blanks.

Tourism is the fastest-growing industry in the world. Although tourism brings money and jobs to an area, (3). If tourism is not managed carefully, it can cause problems for local people (4). For example, when Phuket in Thailand became popular with tourists, people couldn't manage the amount of rubbish created by 2 million visitors each year. In Goa, India, many new hotels used too much water, and local people had to walk far to get enough. (5). Tourists throw away rubbish, making the beautiful deserts look messy. (6).