在工程项目实施过程中，设备监理是由具有( )代表业主对建设项目实施过程中的没备形成过程和／或最终形成的结果进行监理。

A． A、
There is no consensus between the parties over the essential terms of the contract.
B． B、
There is preliminary negotiations but no mutual assent reached.
C． C、
The contracting parties did not reach an agreement on non-materials terms.
D． D、
The manifestation of intent between the contracting parties are unanimous on the essential terms of the contract.