Observe the given diagram of tree Which of these statements best explains the shape of the given tree?

• A.  Trees that have very thick trunk have such crowns.
• B.  The branches spread out so that they receive enough sunlight and can be home to many animals.
• C.  The leaves are spread out not to receive as much sunlight as possible.
• D.  The branches spread the leaves so as to protect trees from predators.