Answer:
D. Without the extrinsic reward, the execution of the task relies on internal motivation.
Step-by-step explanation:
The extrinsic reward is the is the reward offered by an external personality (typically a superior or supervisor) for successfully carrying out a task.
The weekly allowance given to Tami by her parents is an extrinsic reward. Tami continued feeding the cats despite the fact that she has stopped receiving the allowance(extrinsic reward) because of the internal motivation (it may be due to a feeling of happiness whenever she performs this task) she has for feeding the cats.