Cells cultured from patients with this disorder exhibit low activity for the nucleotide excision repair proxess.This autosomal recessive genetic disease includes marked sensitivity to sunlight(Ultra violet light) with subsequent formation of multiple skin cancers and premature death, the diagnosis is -

• A. Alkaptonuria
• B. Acute intermittent Porphyria
• C. Ataxia - Telangiectasa
• D. Xeroderma Pigmentosa