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：句意：自从这个组织成立以后，大量的信息和及时的帮助被提供。as well as连接两个名词词组作主语时，动词要与前一个名词词组在数上保持一致。而“Large quantities of+名词”作主语时，谓语动词用复数形式；再结合语境可知，此处应该用现在完成时。故选C。