Question - Which of the following is true of rocks?

WAEC 2003 - Which of the following is true of rocks?

A. sedimentary rocks are crystalline

B. igneous rocks are heat formed,fossilized rocks

C. metamorphic rocks are crystalline due to high temperature and pressure

D. sedimentary rocks are non-crystalline and fossilized rocks

Answer: 

D. sedimentary rocks are non-crystalline and fossilized rocks