Mark the letter A, B, C, or D to indicate correct arrangement of the sentences to make a meaningful dialogue each of the following questions.

a. It was very different. There were fewer tall buildings and no big shopping malls.............b. How was Vietnam in the past?............c. Now, cities like Ho Chi Minh City and Hanoi are modern and busy.............d. What about now?............e. That's amazing! I'd love to visit and see the changes.