Which One of the Following Best Describes the Nature of a Braxton-Hicks

Which one of the following best describes the nature of a Braxton-Hicks contraction?

A) The fetus is in the birth canal and will be a newborn baby within the hour.
B) The mother's uterine muscles are not yet causing any cervical dilation.
C) The mother's body is working extra hard because the baby is in a breech position.
D) The force is strong enough that the mother's water breaks (i.e., the sac holding the fluid around the fetus breaks open) .