What Evidence Do Paleobotanists Look for That Indicates the Movement

What evidence do paleobotanists look for that indicates the movement of plants from water to land?

A) vascular tissue to conduct water and sugars
B) remnants of chloroplasts from photosynthesizing cells
C) sporopollenin to inhibit evaporation from leaves
D) loss of structures that produce spores
E) waxy cuticle to increase evaporation from leaves