Answer: D only.
Step-by-step explanation:
The amount of Earth's water located in oceans is 97%. Rest 3% is in the form of rivers, glaciers, polar ice-caps, lakes and ground water. Out of this 3% also, only 0.3% is freshwater which found in swamps, lakes and rivers.
In the pie chart, part D represents 97%. Thus, part D only represents the amount of Earth's water located in the oceans.