下列各句中，加线的成语使用正确的一项是（ ）

My mother always gets a bit _________ if we don’t arrive when we say we will.

My baby has a heart trouble—- Did the doctor find it difficult ______

I can’t wait to get such an interesting book. So I would be most _____ if you could send it to me immediately.

It’sa mistake to think of Florida only ______ its tourist attractions