wE CAn ConCluDE From this pAssAgE thAt numBEr sEnsE in AnimAls AppEArs to BE__________.
A．rEstriCtED to ABout onE DozEn spECiEs or lEss
B．Akin to A FACulty possEssED By mEn in All stAgEs oF DEvElopmEnt
C．prEsEnt ChiEFly in wingED CrEAturEs
D．rElAtED DirECtly to prEsErvAtion or oFFspring