Which of the following correctly identifies gender and age, according to Associated Press (AP) style?

A、Inherearly30s,Marystilllivedwithformerclassmates,whowereallgirlsabouthersameage.;
B、Davidwasayoungmanintheeighthgradeofmiddleschool.;
C、Thegunmanwasidentifiedasa19-year-oldboy.;
D、Noneoftheabove.