How is the content of the section SectionName associated with that section?

The X11 configuration file xorg.conf is grouped into sections. How is the content of the section SectionName associated
with that section?

A.
It is placed after an initial unindented Section “SectionName” and must be indented by exactly one tab character.

B.
It is placed after the row [SectionName].

C.
It is placed in curly brackets as in Section SectionName { … }.

D.
It is placed between the tags <Section name=”SectionName”> and </Section>

E.
It is placed between a line containing Section “SectionName” and a line containing EndSection.