In sanger’s method of DNA sequence determination, DNA synthesis is stopped by using?

A) 1′, 2′- Dideoxyribonucleoside triphosphates B) 2′, 3′- Dideoxyribonucleoside triphosphates C) 2′, 4′- Dideoxyribonucleoside triphosphates D) 2′, 5′ - Dideoxyribonucleoside triphosphates