Riddle

I am dead but alive, I eat but am never satisfied, I consume knowledge but gain none. What am I?

Choose an answer

A.A ghost
B.A vampire
C.A mummy
D.A Zombie.
Hint: It's a 2-word phrase with 7 letters, starting with "A".

Answer

A Zombie.

Why this is the answer

A zombie is undead (dead but moving/'alive'), endlessly hungry, and mindlessly consumes brains without learning anything.

This riddle is filed under Halloween Riddles and rated Medium.