Question: How are the four gas giants similar?

  Options: 
 A. The four gas giants in our solar system are Mercury, Earth, Venus, and Pluto. These are also called the Jovian planets. "Jovian planet" refers to the Roman god Jupiter and was intended to indicate that all of these planets were similar to Jupiter. ... A gas giant is a GIANT planet that is made of gas!
 B. The four gas giants in our solar system are Neptune, Uranus, Saturn, and Jupiter. These are also called the Jovian planets. "Jovian planet" refers to the Roman god Jupiter and was intended to indicate that all of these planets were similar to Jupiter. ... A gas giant is a GIANT planet that is made of gas!
Answer: B