Which four planets are also called the terrestrial planets?

Question

Accepted Answer

Inner planets (Mercury, Venus, Earth, and Mars). A is correct because Mercury, Venus, Earth, and Mars are the four rocky inner planets. B is incorrect because Jupiter, Saturn, Uranus, and Neptune are gas or ice giants. C is incorrect because it mixes up the definitions of terrestrial and gas/ice giants. D is incorrect because it omits key terrestrial planets like Mercury and Venus.