Four phrases/ sentences have been removed from the text below. For each question, mark the letter A, B, C, or D to indicate the correct option that best fits each of the numbered blanks from 32 to 35.
The first roller coaster in the United States was the Mauch Chunk Switchback Railway, which was built in the mountains of Pennsylvania in the mid-1800s. It was originally made to carry coal but (32) ______.
In the 30 years that followed, more of these pleasure rides were constructed, and wooden roller coasters, similar to the ones we see today, became very popular. (33) ______, such as Kennywood Park in Pennsylvania and Coney Island in New York. By the 1920s, roller coasters had reached their golden age, with around 2,000 rides operating across the country.
However, during the Great Depression and World War II, the number of new coasters dropped sharply. (34) ______. This new era brought modern designs using steel, allowing for smoother and more daring rides. Some of the most famous styles, like the twisting corkscrew tracks, (35) ______.
A. became hits during this time
B. was later changed into a scenic ride for visitors
C. It wasn’t until the 1970s and early 1980s that they made a big comeback
D. These rides were the main attraction in many American amusement parks