Which of the following statements is a claim of definition?

A. All states should raise the minimum driving age to 18 years old.
B. If a 16-year-old is not old enough to vote and enlist, he should not be able to get a driver’s license.
C. The federal government considers anyone over the age of 18 to be an adult.
D. Most states set the minimum age for marriage at 18, but some allow it at 16, which is too young.