If the Quark Content of the Proton,p,is Uud,the Quark Content $\overline{p}$

Multiple Choice

If the quark content of the proton,p,is uud,the quark content of the antiproton, $\overline{p}$ is

A) uud.
B) udd.
C) $uu\overline{ d }$ .
D) $\overline{ uu }d$ .
E) $\overline { u u} \overline { d }$ .