Since she didn't understand Aximili's biology, it had been a reasonable question to ask, but the affirmative answer made everything a lot easier. At some point, she'd have to ask exactly what thought speech was. Telepathy? That made sense. If he had the ability to change forms, he couldn't afford to rely on vocal chords that might not be present from one shape to the next.
"No, we're not on Earth. No one knows where we are. I'm Martha. Martha Jones. I'm being held prisoner here too."
[Visual]
"No, we're not on Earth. No one knows where we are. I'm Martha. Martha Jones. I'm being held prisoner here too."