Which of the Following Statistics Is an Absolute Frequency

Which of the following statistics is an absolute frequency?

A) Of all the people living in southern states, only 28 are U.S.senators.
B) Twenty-eight percent of the recipes in this book require eggs.
C) There are two pods of dolphins living just off of the coast.
D) Twenty-two percent of the criminals who leave this prison will be rearrested within a year.
E) The average Canadian goose weighs 12.5 pounds.