A) Mars
B) Jupiter
C) Saturn
D) Earth
Answer: B) Jupiter
Explanation: Jupiter is the largest planet in our solar system, with a diameter of over 86,000 miles (139,822 kilometers). It is a gas giant, composed mostly of hydrogen and helium, and is known for its colorful stripes and swirling storms, including the Great Red Spot. Mars, Earth, and Saturn are all smaller than Jupiter.