Ok where is the answer ???
the answer C well I think it is yeah it is C
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?
Because we have accent and they have phrases that are different from English
U.S. immigration law is very complex, and there is much confusion as to how it works. The Immigration and Naturalization Act (INA), the body of law governing current immigration policy, provides for an annual worldwide limit of 675,000 permanent immigrants, with certain exceptions for close family members.