18. Justine was asked to make coffee by her mother. He went to the kitchen and made some by getting coffee, sugar, and coffee creamer from each canister. While opening the canister, he accidentally dropped it and broke into pieces because it was made of glass. Which of the following is the most accurate reason while he dropped the canister? * A. It was not fastened enough. B. The canisters have broken grooves. C. The canisters cover was interchanged by the previous user. D. He was not holding it properly causing him to drop it because the cover was not fastened enough.​