(2013·四川省宜宾五校二调)A recent study has ________ an unexpected conclusion that the African elephant should be divided into two different species.

A．kept up with

B．made up with

C．caught up with

D．come up with

新疆维吾尔自治区国家税务局发票管理实施办法（试行）》适用于自治区各级国税机关对发票的（）等环节的管理。

A、印制、调拨、发售、领购、开具

B、印制、调拨、领购、开具

C、保管、缴销、代开

D、保管、销毁、代开、处罚