She started to speak and he held up his hand.

The three men start to speak at the same time.

When she started to speak again I held up my hand.

She started to speak again, then got a good look at his face.

He held up his hand as several others started to speak.

I held up my hand as he started to speak.

She finally saw him just as he started to speak.

She held up a hand as he started to speak.

He started to speak, but she held up a hand to stop him.

She held up her hand when he started to speak.