Never believe all ____ you hear, never regret what you have never lost, and never throw away what you have in your hands.

Never believe all ____ you hear, never regret what you have never lost, and never throw away what you have in your hands

1. A.
   that
2. B.
   which
3. C.
   what
4. D.
   when

Never believe all ____ you hear, never regret what you have never lost, and never throw away what you have in your hands.

A. that    B. which C. what D. when

Never believe all ____ you hear, never regret what you have never lost, and never throw away what you have in your hands.