Answer:
The correct answer is option A.
Explanation:
Cellular respiration uses food to create ATP fuel which is used for energy by the cells. Generally, during this process utilize the oxygen that is referred to as aerobic respiration.
It has 4 different phases known as glycolysis, Link reaction, the citric acid cycle, and the e⁻ transport chain.
It is the process that common in plants, people and flatworms to obtain energy.
Thus, the correct answer is option A.