在某单位招标过程中发生了如下事件,根据中华人民共和国招投标法及其实施条例,当出现 ( ) 之一时,评标委员会应当否决其投标。
① 投标文件未经投标单位盖章和单位负责人签字
② 同一投标人提交两个以上不同的投标文件,但招标文件未要求提交备选投标
③ 投标报价高于招标文件设定的最高投标价
④ 投标书中包括投标联合体共同签发的报价折扣声明A.①②
B.①②④
C.①③④
D.①②③
( ) management includes negotiating the terms and conditions in contracts and ensuring compliance with. the terms and conditions, as well as documenting and agreeing on any changes or amendments that may arise during its implementation or execution.(
( ) management includes negotiating the terms and conditions in contracts and ensuring compliance with. the terms and conditions, as well as documenting and agreeing on any changes or amendments that may arise during its implementation or execution.