${?}_{{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_{{?}_{?}}{?}_r\text{e}\text{t}\text{u}\text{r}\text{n}\text{s}\text{t}\text{h}\text{e}\text{s}\text{e}\text{l}\text{e}\text{c}\text{t}\text{e}\text{d}\text{i}\text{t}\text{e}\text{m}on\text{a}\text{C}\text{o}\text{m}\text{b}\text{o}\text{B}\text{o}\text{x}\text{c}\text{b}\text{o}\text{.}}$

Question $5$ options:

cbo.getSelectedIndices$()$

cbo.getSelectedItem$()$

cbo.getSelectedIndex$()$

cbo.getSelectedItems$()$

cbo.getValue$()$