The most important objects in our solar system is . A.) The sun

B.) Pluto

C.) Earth

D.) Earths moon

Answer A.) is correct.

Explanation:

The answer is embedded in the question. Since the question is about a solar system, which obviously is the solar itself. With solar system you mean all plennets which belong to that particular sun. So the object of importance is the sun.

So answer A.) is correct.