Why Is Liquid Water Believed to Be Essential to the Development

Why is liquid water believed to be essential to the development of life on a planet or other body?

A) Liquid water provides an electricity-conducting medium in which lightning currents can create complex organic molecules.
B) Liquid water is a fluid and therefore provides a physical medium in which the building blocks of life can move around and get together.
C) Without water, there would be no shoreline onto which primitive fish could crawl to begin life on land.
D) Liquid water combines chemically with other compounds to form the building blocks of life.