To have boasted that she knew a lot might have raised doubts in his mind.
If she bragged about knowing so much, he would have had some doubts.
He was assured about her after listening to her boasting.
A teenage girl is waiting for her dad to pick her up.
Coca Cola is the sponsor.
The competitors are competing.
A person is outside.
The woman is laughing at the man.
In that situation, he would have no idea about strychnine poisoning.