Recall the terminology of classical conditioning. in systematic desensitization, relaxation is best seen as a new:

A conditioned response is a conduct that is not produced on its own, but rather should be learned by the person by matching a nonpartisan jolt with a potent boost. The potent jolt is one that does not require any learning or molding to react to fittingly.

the answer to your question is,

d. when a child was born.

-mabel < 3

answer; when the government fails to protect the fundamental rights of the people;