Read the following context and answer the question.
Context: He was nervous , and she could tell he was n't used to this sort of thing . She kept very still and tried not to alarm him . The young man glanced away for a moment , over his shoulder where Brigg lay on the floor on his side , barely moving . It was n't a long enough lapse to take advantage of , though .
Question: Why was the male subject appearing to be nervous ?
Answer:


None of the above choices .