[单选题]
Which of the following is thea*+bs./ etz2 kwu npy3 correct order for % ionic character from hinqms7upuj2erlr/n7.i v7rdym1kl. -r:r7 ( ughest to lowest for the following co 7 ml7.j7p2/rru7sr (mqi.knrn1y -lev urud:mpounds?
A. $SiO_2$,$MgO$, $ZnO$,$Li_2O$
B. $Li_2O$,$MgO$, $ZnO$,$SiO_2$
C. $SiO_2$, $ZnO$,$MgO$, $Li_2O$
D. $ZnO$,$MgO$,$Li_2O$,$SiO_2$