Evidence of the Swamp-Plant Origin of Stone Columns Can Be

Evidence of the swamp-plant origin of stone columns can be seen in columns at Karnak.Which of the following descriptions supports this?

A) capitals are shaped as lotus or papyrus
B) column is shaped as a tightly bound sheaves of swamp plants
C) the column shaft has papyrus or lotus plants carved on its surface
D) the hieroglyphs indicate the origin of the column