Answer:
Correct answer is C. Most people can read and write.
Step-by-step explanation:
Correct answer is C as most of the people in western Europe are educated due to good educational systems. They are not able to read and write, but most of them have higher education.
Option A is not correct as this countries are among the most developed in the world. For example France or Netherlands.
Option B is not correct as incomes are not only above average, but are among highest in the world.
Option D is not correct as life expectancy is more than 80 years.