Tom kept quiet about the accident ______lose his job．

A．so not as to

B．so as not to

C．so as to not

D．not so as to

食品安全抽样检验工作计划应当包括的内容有（）。

A.抽样检验的食品品种

B.抽样环节、抽样方法、抽样数量等抽样工作要求

C.检验项目、检验方法、判定依据等检验工作要求

D.检验结果的汇总分析及报送方式和时限