OH, it sounds to me like he answered the question. He got an email from them about a job and wanted to know if you knew them. I don't see why you would be upset at this. What more did you need to know? It sounds like nitpicking to me.
I do. Because of responses like this:
you don't so drop it, ok?
He effectively shuts her out of any type of conversation with him. Any time she tries to talk to him, he gives such responses to shut the lines of communication, which he opens only when it is convenient or beneficial to him.