The inequality $$3x -1\textless{} 11$$ is satisfied by only $$2$$ \& $$3$$， Choice $$\text{A}$$ is incomplete， choice $$\text{B}$$ includes $$4$$， \& choice $$\text{C}$$ is incorrect．  在数$$2$$，$$3$$，$$4$$，$$5$$中，哪一个是（唯一）满足不等式$$3x-1\textless11$$的．  $$\text{A}$$．$$2$$ ~ ~ ~  $$\text{B}$$．$$2$$，$$3$$和$$4$$ ~ ~ ~  $$\text{C}$$．$$5$$ ~ ~ ~  $$\text{D}$$．没有选项  满足不等式$$3x-1\textless{}11$$只有$$2$$和$$3$$．选项$$\text{A}$$不完整，选项$$\text{B}$$包含$$4$$，选项$$\text{C}$$不正确．  故选$$\text{D}$$． 
1978年 Math League竞赛(8年级[.org])  Of the numbers $$2$$， $$3$$， $$4$$， and $$5$$， which is (are) the only one(s) which satisfy the inequality $$3x-1\textless{}11$$．

  - $$2$$ 
  - $$2$$，$$3$$和$$4$$ 
  - $$5$$ 
  - 没有选项 