Many young people receive health insurance benefits through their parents. Which of the following statements is true about health insurance coverage?
a. Young people don't need to stay on their parents' health insurance because they are healthy and rarely get sick.
b. People can be covered by their parents' health insurance until they get married, regardless of their age.
c. People can be covered by their parents' insurance as long as they live at home, regardless of their age.
d. If someone's parents become unemployed, insurance coverage provided by their employer can be extended by COBRA.