a _____ is define as a structure which is sunk through ground or water to exclude water and semi fluid material during the process of excavation of foundations.

a _____ is define as a structure which is sunk through ground or water

1.	a _____ is define as a structure which is sunk through ground or water to exclude water and semi fluid material during the process of excavation of foundations.
A.	Cofferdam
B.	Caisson
C.	Well
D.	Pit
Answer» C. Well