A Dietary Calorie Equals 1 Kilocalorie

A dietary calorie equals 1 kilocalorie. Which of the following statements correctly defines? 1 kilocalorie?

A) 1000 calories, or the amount of heat required to raise the temperature of 1 g of water by 1000°C
B) 100 calories, or the amount of heat required to raise the temperature of 100 g of water by 1°C
C) 10 000 calories, or the amount of heat required to raise the temperature of 1 kg of water by 1°F
D) 1000 calories, or the amount of heat required to raise the temperature of 1 kg of water by 1°C
E) 1000 calories, or the amount of heat required to raise the temperature of 100 g of water by 100°C