Answer:
C. The sun
Explanation:
The solar nebula was a stellar nursery from which sun along with the planets and other bodies were born. The molecular cloud of dust and gases condensed under its own weight and collapsed to form the core. The condensed matter starts spinning and gathering more mass. The temperature and pressure rose until the beginning of the nuclear fusion reaction in the core. The sun was born. Majority of the mass of the solar nebula is the Sun. Rest of the matter accreted into planets and other smaller bodies. The Sun holds 99.8% of the matter of the solar system.
