Consider the Following to Answer the Question(s) Below

Multiple Choice

Consider the following to answer the question(s) below:
Annual estimates of the population in a certain city from 2005 (t = 1) onward are shown in the time series graph below.
-The dominant component in this time series is

A) cyclical.
B) irregular.
C) seasonal.
D) trend.
E) No time series component is dominant. The time series is random walk.