In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
Occurring at irregular intervals in time

Options

A. epidemic
B. endemic
C. temporal
D. sporadic

Answer

D

Explanation

sporadic (N.) : happening only occasionally or at intervals that are not regular, intermittent
epidemic (N.): a rapid increase in how often something bad happens
endemic (N.) : regularly found in a particular place/ among a particular group of people and difficult to get rid of temporal (N.): connected with/limited by time