Under-reamed pile foundation is most suitable for Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â type of condition.

Under-reamed pile foundation is most suitable for Â Â Â Â Â�

1.	Under-reamed pile foundation is most suitable for Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â type of condition.
A.	seasonal moisture change
B.	dry conditioned soil
C.	cohesive type of soil
D.	all of the mentioned
Answer» B. dry conditioned soil