Lyell's theory that geological processes occurred over time led darwin to formulate which of these concepts?

The right answer for the question that is being asked and shown above is that: "b.) while earth formations change over time, life on earth is more complex so it remains the same over millions of years."

These are the following choices:
a.) there is no correlation between the changes in earths formations and the changes in life on earth over millions of years.
b.) while earth formations change over time, life on earth is more complex so it remains the same over millions of years.
c.) if earth formations can change over time it is possible that even life on earth could change over millions of years

Smelly rocks sink in water haha!