Answer:
Option A, The early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water.
Step-by-step explanation:
A scientific claim is a evidence based statement that is tested and tried through experiment and reasoning.
Among all the given options none of the statement except the option A has a logical reasoning support or backup.
However, in option A the statement "old object in solar system are abundant of water" is based on the reason that "early solar systems had large amount of water"
Thus, option A is correct