Confucius Constitute is a worldwide non-profit （非营利的）organization, _____ the Chinese government set up to popularize（推广）the teaching of Chinese and spread the Chinese culture.

A．that

B．it

C．one

D．ones

人民警察离休、退休的，其警衔( )

A．不予保留

B．予以保留和佩戴

C．予以保留，但不得佩戴

D．视级别而定