When did the banding patterns on this metamorphic rock form?%0D%0A%0D%0AAnswer options with 4 options%0D%0AA.%09%0D%0Awhen molten magma cooled and crystals formed%0D%0A%0D%0AB.%09%0D%0Awhen grains of sediment were cemented together%0D%0A%0D%0AC.%09%0D%0Awhen volcanic lava was ejected and cooled quickly%0D%0A%0D%0AD.%09%0D%0Awhen the original rock underwent heat and pressure

D. when the original rock underwent heat and pressure