A Commercial Plantation of Sydney Blue Gum (Eucalyptus Saligna) Would $\alpha$

A commercial plantation of Sydney blue gum (Eucalyptus saligna) would have

A) high structural diversity and low species diversity.
B) high species diversity and low structural diversity.
C) low structural diversity and low species diversity.
D) high species diversity and high structural diversity.
E) high $\alpha$ -diversity and low $\beta$ -diversity.