The Molten Portion of Magmas and Lavas Is Made Up

The molten portion of magmas and lavas is made up of ________.

A) complex anion frameworks of oxygen with silicon and aluminum and cation modifiers made up of different amounts of calcium, sodium, iron, magnesium, and potassium
B) metamorphic fluids
C) silicate minerals that have already crystallized
D) solid high pressure forms of water, carbon dioxide, and sulfur dioxide