Diamond, C₆₀ fullerene and graphite are allotropes of carbon. Which statements are correct about these allotropes?

I.     In diamond each carbon is held in a tetrahedral arrangement.

II.     In C₆₀ fullerene each carbon is held in a trigonal arrangement.

III.     In graphite each carbon is held in a tetrahedral arrangement.

A.     I and II only

B.     I and III only

C.     II and III only

D.     I, II and III

A