Answer:
The answer is D.
Step-by-step explanation:
Massed practice is a method involving continuous practice of the given taks with no rest periods in between practice sessions.
Distributed or spaced practice, as the name implies, allows the learner to have breaks to rest in between practice sessions which makes for a better learning experience in certain cases because it allows the brain to rest and allows the memory to process the information.
In the example given in the question, according to the definitions, both Raoul and Scarlett are in a distributed/spaced practice condition even though they have vary small periods of practice and rest sessions.
I hope this answer helps.