Mark the letter A, B, C or D on your answer sheet to indicate the best arrangement of utterances or sentences to make a meaningful exchange or text in each of the following questions from 13 to 17.

a. However, despite these advancements, the region still struggles with infrastructure challenges, as public transportation remains underdeveloped. b. Over the past decade, Greystone has undergone a remarkable transformation, shifting from a quiet suburban town to a vibrant hub of commercial activity. c. The influx of new residents has increased demand for housing, resulting in a rapid expansion of residential developments across the city.  d. This  economic growth has attracted businesses from tech startups to retail giants, significantly enhancing employment opportunities and boosting the local economy.  e. The surge in population, along with the expansion of commercial sectors, has led to a noticeable strain on public services and transportation networks.

Đáp án đúng là: A