题目内容：

I went along thinking of nothing ______ only looking at things around me.
（A) in brief (B) in doubt (C) in harmony (D) in particular

优质解答

(D) in particular
整句意思是
我一直走着,没特别想些什么,只是看看周围的东西.
从意思上就能选出D
(A) in brief 简单扼要地
(B) in doubt 怀疑地
(C) in harmony 和谐地