Which of these is a topic sentence that supports the given thesis statement?

Thesis statement: Studying abroad is one of the most valuable experiences for college students and should be included in the cost of tuition.

Group of answer choices

Studying abroad helps students improve their language skills.

The number of students studying abroad increased by 1.6% last year.

The majority of students choose to study abroad in countries in Europe.

Study abroad programs are not helpful to all students.