Mary is Interested in working as a nurse. How can she get her credentials? .
A. She'll have to go to school for two to four years and pass one certification exam.

B. She'll have to go to school for two to four years and pass multiple certification exams.

C. She'll have to go to school for eight to twelve years and pass one certification exam.

D. She'll have to go to school for elght to twelve years and pass multiple certification exams

E. She doesn't need any credentials to work as a nurse.