20 ! plz .
passengers were moved by stagecoach.

which sentence would be the best replacement for this sentence from paragraph four?
a) passengers were not accustomed to ride with animals.
b) stagecoaches were not the only thing to move passengers.
c) passengers were moved by wagons as well, just not as quickly.
d) while wagons were used for mining and agriculture, stagecoaches were used to move individual passengers.