wE shoulD tAkE gooD CArE oF our EyEs ______ .
A．only whEn wE CAn sEE wEll
B．only whEn wE CAnnot sEE pErFECtly
C．EvEn iF wE CAn sEE wEll
D．only whEn wE rEAlizE how importAnt our EyEs ArE