Refer to the exhibit.

In the exhibit, a correlogram is provided based on an autocorrelation analysis of a sample dataset.
What can you conclude based only on this exhibit?

A.
There appears to be no structure left to model in the data

B.
There appears to be a seasonal component in the data

C.
Lag 1 has a significant autocorrelation

D.
There appears to be a cyclical component in the data