Riddle

I am a word that begins with the letter "i". If you add the letter "a" to me, I become a new word with a different meaning, but that sounds exactly the same. What word am I?

Choose an answer

A.I/Eye
B.In/Inn
C.Be/Bee
D.Isle (add "a" to make "aisle")
Hint: It's a 6-word phrase with 19 letters, starting with "I".

Answer

Isle (add "a" to make "aisle")

Why this is the answer

An 'isle' is an island, while an 'aisle' is a passage between rows.

This riddle is filed under Hard/Difficult Riddles and rated Medium.