After a baby Fluffrat is born, its rate of growth, (in ounces per week) is given by the function r(t), where t is in weeks after birth. Interpret r(t) dt = 25 O O A. During the first 25 weeks after birth, the Fluffrat was gaining between 0 and 6 ounces per week. O B. During the first six weeks after birth, the Fluffrat's weight increased by 25 ounces. O C. When the Fluffrat reached six weeks old, it weighed 25 ounces. O D. Over its first six weeks after birth, the Fluffrat grew at a rate of 25 ounces per week. O E. None of the Above