The correct option is (A): A, B, E, D, C
Explanation: Based on the established weights, we have the following hierarchy: A weighs \(9x\), B weighs \(4.5x\), E weighs \(4x\), D weighs \(2x\), and C weighs \(x\). In descending order, the weights are A, B, E, D, and C. Therefore, the correct answer is Option A – A, B, E, D, C.