What Term Should Be Added To $t ^ { 2 } + 11 t$

Multiple Choice

What term should be added to $t ^ { 2 } + 11 t$ to make it a perfect square trinomial?

A) $\frac { 4 } { 121 }$
B) $\frac { 121 } { 4 }$
C) $\frac { 11 } { 4 }$
D) 121
E) 11