Which of the following expression is correct regarding deoxygenation constant where symbols have their usual meaning?

• A. KDT = KD20 + (1.047)T-20
• B. KDT = KD20 / (1.047) T-20
• C. KDT = KD20 (1.047) T-20
• D. KDT = KD20 (1.04T