Among LiCl, BeCl2, BCl3 and CCl4, the covalent bond character varies as
(1) LiCl < BeCl2 > BCl3 > CCl4
(2) LiCl > BeCl2 < BCl3 < CCl4
(3) LiCl < BeCl2 < BCl3 < CCl4
(4) LiCl > BeCl2 > BCl3 > CCl4