He claiming there is no time and the content is too difficult is an example
of Slippery slope.
What is Slippery slope?
This term is commonly used in logic to depict an action is unfavorable as a
result of the undesirable outcome.
In this scenario, Brandon wants Janet to provide answers for him as a
result of undesirable conditions such as lack of time and difficulty which
he may not be able answer. This therefore best depicts a Slippery slope.
Read more about Slippery slope here https://brainly.com/question/25748814
