April 21 was the national memorial day ____ were killed in Yushu Earthquake on April 14 2010.

A in honor of any one who           B in celebration of  those who

C in memory of  whoever           D in charge of  no matter who

企业登记机关对企业非法人分支机构、来华从事经营活动的外国（地区）企业、其他经营单位的年检材料主要审查哪些内容？