An alcohol of unknown structure gave a positive Lucas test in about five minutes. When alcohol was heated with concentrated `H_(2)SO_(4)` an alkene was formed with the formula `C_(4)H_(8)`. Ozonolysis of this alkene gave a single product, `C_(2)H_(4)O`. What was the structure of the alcohol ?
A. butan-1-ol
B. butan-2-ol
C. 2-methylpropan-1-ol
D. 2,2-dimethylbutan-1-ol