Which if the following best describes the condition of roads in the late 1700s

a). they were muddy and rutted, inflicting on coach travelers bone-jarring injuries.

b). they had steadily improved from roman times through the middle ages to the late 1700s

c). they were in a bad state but it mattered little because no one used them.

d). they had never been in better condition and spurred trade between cities and countries.