Identify whether the following statements are true (T) or false (F) and select the correct option.

A. On solidification, molten magma forms sedimentary rocks.

B. Igneous rocks can be intrusive or extrusive.

C. Under the effect of high temperatures and pressure, sedimentary rocks change to metamorphic rocks.

D. Under the effect of high temperatures and pressure, igneous rocks change to metamorphic rocks.