An election in which there is a significant shift in the bases of electoral support from one political party to another is called a deviating election
a maintaining election
b dealigning election
c primary election
d realigning election

D realigning election

Explanation:

In a realigning election the most part of the electorate votes against or for other party than the one that is currently holding the power, in these cases more often than not political parties that hold office change.

what are the options?

answer; i believe the answer is 80%, plz check first good luck;