The Antineutron Has a Quark Structure _________ $\overline{u}$ D
D) $\overline{u}~ \overline{d}~ \overline{d}$

Multiple Choice

The antineutron has a quark structure _________.

A) uud
B) udd
C) u $\overline{u}$ d
D) $\overline{u}~ \overline{d}~ \overline{d}$
E) ${ u } \bar { d } d$