Show that a strictly stationary process with E^2 is weakly stationary. Which of the following best describes the relationship between a strictly stationary process and a weakly stationary process?

A) A strictly stationary process is always weakly stationary.
B) A weakly stationary process is always strictly stationary.
C) A strictly stationary process is sometimes weakly stationary.
D) A weakly stationary process is sometimes strictly stationary.