The eight airlines of the One world alliance （联盟) have joined forces to give world trave

The eight airlines of the One world alliance (联盟) have joined forces to give world travelers a simple way to plan and book a round-the-world journey. It's called the Oneworld Explorer program.

Oneworld Explorer is the perfect solution for a once-in-a-lifetime holiday or an extended business trip. It's a great way for you to explore the four comers of the earth in the safe hands of the eight Oneworld airlines.

You can have hundreds of destinations to choose from, because the Oneworld network covers the globe. And, as you travel around the world, you'll have the support of 260,000 people from all our airlines, who are devoted to the success of your journey, helping you make smooth transfers and offering support all along the way.

The Oneworld goal is to make global travel easier and more rewarding for every one of our travelers. We try our best to make you feel at home, no matter how far from home your journey may take you.

We can offer travelers benefits on a scale beyond the reach of our individual networks. You'll find more people and more information to guide you at every stage of your trip, making transfers smoother and global travel less of a challenge.

Oneworld in the passage refers to______.

A．a travel agency

B．a union of airlines

C．a series of tourists attractions

D．the title of a flight program