To Generate a Bootstrap Standard Error of an Estimate, There

To generate a bootstrap standard error of an estimate, there are four steps. Which of these is not one of them?

A) First, use a computer to randomly sample the original data, without replacement, to make a new data set.
B) Second, calculate the estimate using the sampled values in the first step.
C) Third, repeat the first two steps a large number of times.
D) Fourth, the bootstrap standard error is the standard deviation of the set of values from step three.