Three of the following sentences cannot be changed to the Passive Voice.
Indicate which three sentences cannot be changed:

A. Something strange happened to me yesterday.
B. He died a few years ago.
C. The police caught the thief.
D. A special committee is discussing this problem.
E. All students must sign waiver forms if they go on a field trip.
F. I came to school early this morning.

A. A,C & F
B. B, D & E
C. A, B & F