请大家帮我看一道填空题，谢谢

onlyUID: 209101

一道填空题：

  @$ I8 u4 {$ |/ ?7 Wmost of the settlements that grew up near the logging camps were ____ affairs, thrown together in hurry because people needed to live on the job.
(a)protracted
) q& U3 k! e' p! z6 i(b)unobtrusive
(c)nomadic
; i% B: M' l$ z1 K7 m9 ^(d)ramshake
, l/ _' \4 ^! a* j" F(e)banal
8 a  T8 |* b! u( k. H. H
答案是d，请问一下怎么做的？