Which of the Following Principle(s) Did Sheldon Stryker Develop to Better

Which of the following principle(s) did Sheldon Stryker develop to better orient symbolic interaction with macro-level sociology? Select all, but only those that apply.

A) The names and classifications that human action requires are learned through interaction.
B) Symbols used to designate social positions and roles are important.
C) Social structures pattern behavior but they do not determine it.
D) People self-categorize themselves in position that has symbolic meanings.