请选择DCBA5p7T0F0T,I7l0P6i,T+cAbout ________ percent of the earth's surface is covered with water．4]/|4N/B'\2](K
A．294]/|4N/B'\2](K
B．824]/|4N/B'\2](K
C．714]/|4N/B'\2](K
D．1004]/|4N/B'\2](K