Based on the given passage above, when Bertie says he feels like a "badly wrapped brown-paper parcel" he means that he feels tired and out of sorts. Therefore, the correct answer of the given question above would be the first option: tired and out of sorts.
First step is planning...always plan!!!
Shark : fish :: koala : bear
At least I think it is because a shark is a fish so I guess a koala is to bear.
I hope I helped :)