Which of the Following Is a CORRECT Example of a Developmental

Which of the following is a CORRECT example of a developmental constraint on adaptation?

A) A tree can't grow high too quickly because their tissue is made using energy captured
From the light.
B) Big-sized animals can't fly because their bones are too heavy.
C) Gazelles can't avoid predation because they co-evolve with lions.
D) Improvements in rabbits' defences is accompanied with improvements in foxes' hunting abilities.