Which of the following has the highest electronegativity?

Boron has the highest electronegativity.
As we move down the group in the modern periodic table, the electronegativity of elements decreases. 

Due to this fact, Boron will have the highest electronegativity among all the other given elements.

 For example, the electronegativity of aluminium is$1.6$, the electronegativity of gis$1.81$, electronegativity of indium is$1.78$, and the electronegativity of boron is$2.04$.