When i came to her , she ___. a)already left b)Had already left

When I came to her she had already left.

Когда я пришёл к ней, она уже ушла.

Had she already left when I came to her?

Had she already left or came back when I came to her?

What had she already done when I came to her?

Who had already left when I came to her?

When I came to her she had already left, hadn\'t she?