David wrote his name and phone number on a ---- of paper.

David wrote his name and phone number on a ____ of paper.
A lump B sheet
C tube D slice
请问这道英语单选选哪个呢?哪位老师达人知道希望告诉我一下.
请告知为什么选那项,别的为什么不选?最后还请翻译一下这句话.多谢多谢~~~.