Read this paragraph.

Drivers’ education has always taught the rules of the road and safety behind the wheel. Students must learn about signs and rights-of-way. Today’s drivers’ education must also address modern-day concerns. Students must learn the dangers of texting and driving.

What is the central idea of the paragraph?

Drivers’ education no longer needs to teach the rules about highway signs and rights-of-way.
Drivers’ education must expand to include modern-day concerns, such as texting and driving.
Students in drivers’ education should study the rules of the road if they hope to succeed in class.
Students in drivers’ education should not text their friends during class because it is a distraction.