生产车间设备折旧费6 000元，尚未结账并发现编制的记账凭证为：借记生产成本6 000，登记在生产成本明细账的借方，则应采用的更正方法为( )。

A．重新编制记账凭证

B．补充登记法

C．红字更正法

D．划线更正法

In order to know how heavy the elephant was, he wrote down the weight of each stone and then           ____all the weights.

A．packed up

B．added up

C．went through

D．set down