These days the government has issued several economic policies that will ________ prosperity

of manufacturing industry. [      ]

A. accumulate  

B. accomplish

C. access  

D. accelerate

关于担保合同下列说法正确的是（）。

A、担保合同不属于主合同的从合同

B、主合同无效，担保合同无需随之无效

C、主合同变更，担保合同无需随之变更

D、担保合同被确认为无效后，债务人、担保人、债权人有过错的，应当根据其过错各自承担相应的民事责任