Your answer is A I think :)
This is the right inference.
Brutus decides to join the conspiracy against Caesar because he fears that Caesar will become ruthless once he has absolute power.
Explanation:
This is one of the most poignant passages in the book that reflect on the nature of power.
IT is never known if Caesar will have or will not have become something along the lines of what Brutus says he would here but one can clearly understand why he would think that could be.
Brutus means that absolute power can change a person beyond what they ever wanted to be and hence it is dangerous.
This is why he decides t kill Caesar.
It's in inverted order. Natural order would say "A quiet little toad sat in the middle of the road."
Notes should be easy to follow to maintain the speakers train of thought
D. has closed , there is no object