Pls help me will give points

D

Explanation:

D is my best bet because most have cilia and flagella to help move them around their environment.

A is for multicellular organisms, B occurs only in some unicellular but not all, C is for multicellular mostly (some unicellular can have it), but D applies to majority of unicellular (almost all have some sort of mechanism for movement)

answer; i believe that the correct answer is (light);