[tex] \large \underline {\boxed {\textsf {\color {lightpink} {For how many years did he teach in college? }}}}[/tex] (Henry Wadsworth Long;fellow)

[tex] \large \underline {\boxed {\textsf {\color {lightpink} {A. Five}}}}[/tex]
[tex] \large \underline {\boxed {\textsf {\color {lightpink} {B. Twelve}}}}[/tex]
[tex] \huge \underline {\boxed {\textsf {\color {lightpink} {C. Twenty}}}}[/tex]​​

within need Explanation ​