[单选题]
Spherical lenses sufw mb78e 3x ba.46zaig7oa*sqotlz;pla)0 ve * fer froyhjl*g6 d)9mz5uq ztozpq,:;m
A. both spherical and chromatic aberration.
B. spherical aberration, but not chromatic aberration.
C. chromatic aberration, but not spherical aberration.
D. neither spherical nor chromatic aberration.
