The tips of some rice seedlings were cut off while some were left intact. Both were covered with a container which had not only one small hole to allow light through. After twenty-four hours it was observed that

• A.the cut tips was bent away from the light
• B.the cut tips bent towards source of light
• C.the intact tips bent away from the light
• D.the intact tips bent towards the light
• E.both tips bent away from light