Navy Academic Proficiency Test (NAPT) Practice Exam

Narrowing describes a process of reducing width or scope. When something is narrowed, it becomes more confined or restricted. So in the passage, narrowing is best understood as becoming more constricted—the range or width is getting smaller. Expanding would mean getting larger, quickening means speeding up, and thinning refers to reducing density or thickness in a way that isn’t as precise about width or range as narrowing is.