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
网友回答
A. has offered
B. had been offered
(答案→)C. have been offered
D. is offered
解析：考查主谓一致及时态。as well as 连接两个并列主语时，其谓语动词和前面的主语保持一致，故应与Large quantities of information保持一致，而 quantities of+n做主语，其谓语应使用复数形式，故排除AD，再结合时间状语since the organization was built可确定正确答案为C。注意：a quantity of +n做主语，其谓语应使用单数形式。