[单选题]
Spherical lenses suffer 1f).8ulj: tg ruyzweau85) ii frombiy xv+:9e0z,bi/q aq
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.