Kelly Is a Second Year Teacher

Kelly is a second year teacher. She has become very interested in the field of cognition and wants to pursue further study in that field. Which of the following would be appropriate actions for Ms. Kelly to take in this pursuit? I) Researching professional and academic literature
II) Attending graduate courses
III) Conducting independent research
IV) Experimenting in her classroom

A) I, II and III
B) I, II and IV
C) I, III and IV
D) I, II, III and IV