Which of the following statements best explains why more than half of all europeans are bilingual?

a. european laws require people to be bilingual.

b. europeans must speak english in addition to their native language to find work.

c. bordering european countries share close economic and cultural ties.

d. most european children come from families of mixed ethnicity.

C. Bordering European countries share close economic and cultural ties

Explanation:

Europe is one of the smallest continents, but it has the most countries per area of the continent. While there a re lot of different ethnic and linguistic groups, there are still similarity, especially regionally or with the neighboring nations.

Also, the majority of the countries have very close ties when it comes to economy and culture, and as mentioned this is easily noticeable when it comes to countries that are bordering.

Because there are cultural similarities, as well as economic ties, the people tend to known at least one more language apart from their native language, or in some cases the people tend to know multiple languages.

It also has to be taken in consideration that the English language is usually the international language in Europe, so more and more people across the continent speak it, and the learning of the language starts since early childhood.