In the Early 1900's, When It Came to Being Witnesses

In the early 1900's, when it came to being witnesses, children were seen as

A) highly credible and reliable witnesses.
B) Very suggestible and, therefore, not reliable and credible witnesses.
C) No better or no worse than adult witnesses, and therefore, use freely in court.
D) Using a child as a witness never crossed anyone's mind, and, therefore, was not an issue.