Final answer:
The correct answer is "a. babble". The word means to talk in an incoherent fashion.
Step-by-step explanation:
The correct answer to the question is a. babble.
The word "babble" means to talk in an incoherent fashion, rambling on and on. It is often used to describe someone who speaks quickly and without clear meaning or purpose.
For example, if someone is telling a long and confusing story without making any clear points, you could say they are babbling.