If You Removed a Coleoptile Tip, Placed It on an Agar

Multiple Choice

If you removed a coleoptile tip, placed it on an agar block for a period of time, and then placed the agar block to the side of the tip of a decapitated coleoptile, which of the following would happen next?

A) The coleoptile would grow in a spiral pattern.
B) The coleoptile would die.
C) The coleoptile would not bend.
D) The coleoptile would bend away from the side having the agar block.
E) The coleoptile would bend toward the side having the agar block.