A.7.5% B.7.56% C.7.71% D.7.76%
A.24% B.25.1% C.25.36% D.36%
A.開發(fā)—銷售 B.開發(fā)—持有出租—出售 C.購買—持有出租—出售 D.購買—更新改造—出售