（多选题） If its message were confined merely to information and that in itself would be difficult if not impossible to achieve, for even a detail such as the choice of the color of a shirt is subtly persuasive, advertising would be so boring that no one would pay any attention.
该句中不含：
A、 状语从句
B、 同位语从句
C、 定语从句
D、 宾语从句