People used to believe that the earth is larger than all other planets. (superlative)

• ক People to believe that the earth is one of the largest planets.
• খ People used to believe that the earth is the largest planets.
• গ People use to believe that the earth is the most large planet.
• ঘ People used to believe that the earth is the largest planet. ✅ সঠিক উত্তর