Riddle

I am nothing but holes tied to holes, yet am strong as iron.

Choose an answer

A.A net
B.A fence
C.A rope
D.A chain
Hint: It's a 2-word phrase with 6 letters, starting with "A".

Answer

A chain

Why this is the answer

A chain is made of connected metal links (essentially "holes" of metal), yet together they form something very strong.

This riddle is filed under Riddles for Teens and rated Medium.