In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A wall built to prevent the sea or a river from flooding an area

Options

A. dam
B. mound
C. dyke
D. embankment

Answer

C

Explanation

dyke (N.): a long thick wall that is built to stop water flooding onto a low area of land
dam (N.): a barrier that is built across a river in order to stop the water from flowing
mound (N.): a large pile of earth or stones: heap embankment (N.): a wall of stone/earth made to keep water back or to carry a road or railway/railroad over low ground