Final answer:
The carryover of newly acquired tasks demonstrates long-term retention of knowledge.
Step-by-step explanation:
The characteristic of the carryover of newly acquired tasks is d) Demonstrates long-term retention of knowledge. When we successfully carry over newly acquired tasks, it indicates that the knowledge or skills have been retained in our long-term memory. This means that we are able to recall and apply what we have learned even after some time has passed.