Papers were scattered about the room.此句中的about是副詞? about修飾scattered形容詞? 能解釋?

about是介係詞
about the room來修飾scattered

Papers were scattered about the room. 紙被撒在房間的四周。
此處的about等同於around 是"四處"，"四周","到處"的意思。
是"介系詞"，後接地方名稱，表示位置。即表示在何處的四周（四處）

紙被撒在那裡？撒在這房間的四處。

。

"about" is a preposition, acting as the complement to the adjective "scattered".

other examples of adjective complement:
- afraid of
- surprised at

"about" is an adv.particle(=around) to the verb "were scattered";
also means with verbs of movement--here and there.