Which statement from City contains an opinion?
A.
"The planners allotted adequate space for houses, shops, squares, and temples."
B.
"To ensure their hold over [the lands they had conquered] the Roman soldiers built permanent military camps."
C.
"The need for [this kind of city planning] today is greater than ever."
D.
"By 200 B.C. soldiers of the Roman Republic had conquered all of Italy except the Alps."