Arachne is from a noble family, so she is very eager to compete with Athena.（ ）

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.

A.利尿剂
B.糖皮质激素
C.胰岛素
D.血管紧张素转换酶抑制剂