Answer:
A. The travel industry changed from a consolidated structure to a fragmented one.
Explanation:
In the given passage, the speaker talks of the change in the way travels are managed. Initially, few large travel agencies took control of the way travel is arranged, from booking tickets to managing hotel rooms.
But as the internet grew and many people are able to access it, travels, accommodations, etc. are being managed by the individuals themselves or even smaller travel agencies are able to do the work without the need for such large companies to be involved.
This shows that the travel industry changed from a consolidated, large companies structure to a fragmented one, that of smaller agencies and even individuals themselves.
Thus, the correct answer is option A.