When rhombic sulphur is slowly heated above 95.6 °C, it transforms into monoclinic sulphur. What is the primary structural difference between these two allotropes of sulphur?

Options:

• A: Rhombic sulphur consists of S₈ rings, while monoclinic sulphur consists of open-chain S₈ polymers.
• B: Rhombic sulphur contains S₆ chairs, while monoclinic sulphur contains S₈ crowns.
• C: Rhombic sulphur has a monoclinic crystal lattice, while monoclinic sulphur has an orthorhombic crystal lattice.
• D: Both consist of puckered S₈ ring molecules, but they differ in the symmetry and packing arrangement of these rings within their crystal lattices.

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