Riddle

Many hear me, but no one sees me, and I only speak when spoken to. What am I?

Choose an answer

A.An echo
B.A whisper
C.A rumor
D.Echo
Hint: It's a word with 4 letters, starting with "E".

Answer

Echo

Why this is the answer

An echo only exists as a repeated sound and is heard by many, though it can never be seen, and it always answers back only after something else speaks first.

This riddle is filed under "What Am I?" Riddles and rated Medium.