Some statements about Buckminsterfullerene are(C₆₀)given:

(A) All the carbon atoms undergo sp² hybridization

(B) It is aromatic

(C) ${∆}_{\mathrm{f}}{\mathrm{H}}^{°}$ of fullerene is lesser than that of diamond

(D) each carbon atom in fullerene forms 3 sigma bonds with other three C atoms