The correct option is D All of the above
Sclerenchyma is a specialized tissue, adapted to withstand both compressive and tensile stresses in plants. Sclerenchyma cell types may be divided into fibres, associated with phloem, xylem and other tissues; and sclereids or varied kinds. Sclerenchyma cells have secondary wall layers that are constructed from cellulose micro fibrils in a matrix of hemicelluloses and lignin. So, the correct option is 'All of the above'.