If a Person Creates a Spectrum with a Prism as Newton

If a person creates a spectrum with a prism as Newton did and then probes the temperature with thermometers that they have kept in the dark, they will find the thermometer will show a temperature rise when placed

A) in the visible part of the spectrum but nowhere else.
B) in the visible part of the spectrum and in the invisible region just beyond the red but nowhere else.
C) in the visible part of the spectrum and in the invisible region just beyond the violet but nowhere else.
D) anywhere from the invisible region beyond the red, through the visible, through the invisible region beyond the violet.