What type of evidence did Ms$.$ Smith present to prove that Dr$.$ Akstein had sexually harassed her?

Voice recordings she had made of some of the instances.

Video recordings of some of the instances that had been recorded by the Eye Center's security cameras.

Copies of emails and text messages that Dr$.$ Akstein had sent her.

Sworn testimony from one or more people who actually saw and heard some of the instances Ms$.$ Smith alleged happened.

Ms$.$ Smith's own personal testimony as to what happened in each instance.

All of the above

a and $b$ only

$a,b,c$ and $d.$