Pay attention to the attributive clauses and time adverbial clauses while reading Text A of Unit 6, and then complete the following questions. What is the main purpose for the author to write this article?
A.
To show the golden age of travel is likely to extend.
B.
To illustrate the travel industry is on track to become the largest in the world.
C.
To explain why the travel industry will enter the golden age for consumers and retailers.
D.
To warn people to pay attention to the cyclical danger of the travel industry and get prepared.