14.They work long hours but don't earn enough to ensure a _____ living for themselves and their families.
A. reticent B. decent C. innocent D. descent

<reticent>
reticent 沉默寡言的
</reticent>

<decent>
decent (from) 合适的
despise 蔑视、轻视
split 分开、分裂
</decent>

<innocent>
innocent 无辜的、天真的
</innocent>

<descent>
descent 降落、世系
descend 下降
descendant 后代、子孙
precursor 祖先
journey 旅行、探险
</descent>