Americans owned a bathtub as early as 1895.

A．kept
B．looked after
C．used
D．kept and used

A．Males and females in the family took turns using the bathtub.
B．Some bathtubs were big enough for many people to bathe in at the same time.
C．All the women and girls of a family, could bathe together standing up in the tub.
D．When several family members bathed together, they did not use the bathtu