A student wants to know which part of his local beach contains the most turtle nests during nesting season. He makes a prediction to investigate based on his observations and plans his experiment. He performs the experiment to collect data. Once his experiment is completed, he gathers his evidence and analyzes it to form a conclusion. What part of the scientific method is he missing from this investigation?

A: Ask a question.
B: Construct a hypothesis.
C: Do background research.
D: Analyze the evidence.