One Argument for Conducting Statistical Tests for Single-Case Experiments Is

One argument for conducting statistical tests for single-case experiments is that

A) statistics have uncovered cases of Type I and Type II errors in the literature.
B) historically, researchers have used statistics for single-case experiments.
C) using statistics for single-case experiments allows us to make comparisons to other single-case experiments.
D) statistical significance will help us uncover practical significance.