Which of the Following Is Not a True Statement About

Multiple Choice

Which of the following is not a true statement about igneous rocks?

A) When magma rises slowly through the Earth's crust before erupting, crystals can form when the rest of the magma remains molten
B) The igneous rock texture described in "A" is called porphyry
C) If a rock has a porphyry texture, it will have interlocking crystals because it cooled for a long period of geologic time
D) Another term of volcanic is extrusive igneous rocks