Plan: Wishing to reduce the number of citizens without health insurance, the government of Patrio decided last year to run an extensive advertising campaign that targeted young people and which described the importance of choosing and enrolling in a health insurance plan.
Result: The percentage of young people enrolled in a health insurance plan has not increased.
Further information: Most young people in Patrio saw and remembered the advertising. Moreover, surveys revealed that more young people after the campaign believed that it was important to choose and enroll in a health insurance plan.
In light of the further information, which of the following, if true, does most to explain the result that followed implementation of the plan?
A. Most young people in Patrio already were enrolled in a health insurance plan before the advertising campaign began.
B. All young people found it inconvenient to have to choose a plan before enrolling in health insurance.
C. Young people did not learn through the advertising campaign how to choose a plan, and they did not know where else to find that information.
D. Young people increased in number proportionally to other groups in Patrio over the last year.
E. Most young people found the health insurance plans available to be unaffordable.