The story is told from the view point of the story's protagonist, Thomas.
The highlighted part of the sentence is called a/an Professor Plum , who had been to the mansion before , expertly navigated the maze of rooms andcorridors to quickly reach the conservatory
I think this is what you are wanting to know. You would use a not an If the word/name (Professor Plum) would have been something starting with a vowel instead, you would use an
Is this what you were asking?
How are we supposed to help if we don’t have the story?
I need to know what argument you are talking you are talking about to answer the question.
Answer:
Mark... romans...esther...?
Explanation:
These are the only ones I could think, of that could fit...?
(sorry)
Hope I helped it some way( maybe got you an idea..)
