It is about Gordon korman using the item as the next future item in the case of the continuing investigation. The protagonist says the character of the secretary is the only territory of the England in the northwest. Therefore the protagonist is saying that Gordon is using the future time telling as the next best item. Good luck :)
The adjective phrase is this sentence would be "<span>a. Last week the new coach," since this would be describing and clarifying the noun, which is the subject (The Coach". </span>