Question 9 Q: 9 Complete this phrase. ‘The use of the…’ Options A: Rube B: Lube C: Tube D: Cube Save Question Show Answer Discussion 0 Clear Discussion Most voted Newest No comments yet. Be the first to comment. Post Be respectful. No spam. Correct Answer: D Explanation Cube.Indicating that people, unless made consciously aware, tend to under-use the dimension of height,using depth and breadth readily. For illustrations, check aerial photographs of many US cities(sprawl), or check the inside of your fridge. In warehousing and storage, such an approach can be avery costly error - so 'maximise use of the cube'.