Which of the following companies should take special care while hiring employees and make significant modifications in its standard recruiting policies to suit the nature of the talent?

a$.$ Nixes Inc., a public relations company, hiring more women employees than men

b$.$ Aleva Co$.,$ a multinational corporation, hiring fresh graduates

c$.$ Orisys Technolgies, a medium$-$sized firm, hiring domain$-$specific experts

d$.$ Plugtonics Inc., a technology firm, hiring military veterans from the armed forces