In the Case of Greater Fredericton Airport Authority V

In the case of Greater Fredericton Airport Authority v.NAV Canada [2008],NBCA 28,the court was asked to resolve a dispute involving forced concessions made under threat of breach of contract.In this instance,the court suggested that proof of economic duress could arise upon establishment of what type of evidence by the innocent party?

A) an innocent party's lack of a realistic alternative
B) an innocent party's lack of an economical alternative
C) an innocent party's lack of a viable alternative
D) an innocent party's lack of a practical alternative