Kofi Annan says helping survivors of last week’’s earthquake and (1)________in the Indian Ocean is (2)________. The United Nations secretary-general says countries that have offered aid must (3)________and provide it. The offers add up to around (4)________dollars. United Nations officials say (5) ________of that is needed during the next six months.The concern about offers of international aid is (6)________. For example, the earthquake in Bam, Iran, in (7)________of 2003 killed more than (8) ________people. Countries and groups offered hundreds of millions of dollars (9) ________. The United Nations says it has (10)________only about (11)________dollars in aid received so far. Governments and organizations that offered help (12) ________that, however.On (13)________Mr. Annan met with world leaders in Jakarta, Indonesia to discuss aid for (14)________. The leaders discussed and (15)________the idea of (16)________owed by affected nations. But the leaders did not say they would do so. Some said that (17)________to survivors would be more helpful.Representatives of (18)________countries and international organizations attended the meeting in Jakarta. Officials say they will cooperate to develop (19)________ for the Indian Ocean and the (20)________.

法律援助是指在国家设立的法律援助机构的指导和协调下，律师、公证员、基层法律工作者等法律服务人员为经济困难或特殊案件的当事人给予减、免收费提供法律帮助的一项法律制度。

根据上述定义，下列可以申请法律援助的是（）。

A.张某在工作中被同事打伤，向人民法院提起诉讼，要求同事给予民事赔偿

B.李某应聘某企业并与之签订劳动合同，后该企业得知其学历系伪造，遂申请确认劳动合同无效，但李某主张合同有效

C.孙某在城市改造过程中，其住房被强制拆迁，因此向人民法院提起诉讼

D.赵某被怀疑与一桩杀人案有关，被公安机关关押6个月，后被证明无辜。赵某因此请求国家赔偿