Large quantities of information, as well as some timely help _____ since the organiza
tion was built .
| A．has offered | B．had been offered | C．have been offered |
D．is offered |
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Large quantities of information, as well as some timely help _____ since the organization was built .
| A．has offered | B．had been offered | C．have been offered |
D．is offered |
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