[单选题]
If a person's eyebalj4up xu07 xbm xmvvl .vc310n*l is too long from idp39( t2xx/kuj 6zpjq4r. nhfront to back, the person is likely to suffexjx6d4/( . jprip93qth2nzuk r from
A. spherical aberration.
B. nearsightedness.
C. farsightedness.
D. astigmatism.
