A Functional Magnetic Resonance Imaging Technique Can Capture Brain Changes

A functional magnetic resonance imaging technique can capture brain changes:

A) using radio frequencies to detect levels of blood oxygen in different brain areas.
B) using microelectrodes that are so fine they can be inserted into single cells.
C) by translating electrical energy from the brain into wavy lines on paper or a screen.
D) by following the temporary inactivation of neural circuits.