What compound is formed when lithium reacts with selenium?

A.     LiSe

B.     \({\text{L}}{{\text{i}}_{\text{2}}}{\text{Se}}\)

C.     \({\text{LiS}}{{\text{e}}_{\text{2}}}\)

D.     \({\text{L}}{{\text{i}}_{\text{2}}}{\text{S}}{{\text{e}}_{\text{2}}}\)

B