把生产物质产品和提供服务的所有部门的增加值加总起来构成国民生产总值的编制方法称为______

A．生产法
B．收入法
C．成本法
D．支出法

She was moving out of her old apartment _______ she suddenly realized that the key to the new apartment wasn’t on her.

A．until

B．once

C．when

D．as if