The largest planet in our solar system is:

The correct option is A

Jupiter

1. Jupiter has the largest mass and volume as compared to other planets which makes it the largest planet in our solar system.
2. Jupiter has the largest number (79) of known natural satellites.
3. Jupiter takes only 10 hours to rotate around its axis which makes it the fastest planet in the solar system.
4. Jupiter is also known as the planet with the great red spot.

Hence, option A is correct.