在选择合同文本时，如果选择的是非标文本，下面哪些类型的文件不可以上传（）。
A.doc
B.pdf
C.jpg
D.bmp
参考答案：A
谨慎，就是重证据，重调查研究，不得草率，防止偏差，实行严格审批制度、监督制度，坚持有错必究。 ( )
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
