Although FMRI and MRI Use the Same Machine to Generate

Although fMRI and MRI use the same machine to generate images,they differ in one fundamental way.In what do they differ?

A) fMRI produces very clear images, MRI produces images that are much less detailed.
B) fMRI detects grey matter damage, MRI detects white matter damage.
C) fMRI is used to study brain function, MRI is used to study brain structure.
D) fMRI is faster to administer and less costly than MRI.