A Student in the Initial Stage of Expertise in a Particular

A student in the initial stage of expertise in a particular domain often does which of the following?

A) Changes and combines strategies to solve the given problem
B) Experiences beginner's luck when acquiring expert knowledge
C) Experiences difficulty distinguishing between accurate or inaccurate and relevant or irrelevant information
D) Becomes discouraged by failure and attempts to become an expert in a different domain