The Decision in London Drugs Ltd V Kuehne & Nagel

The decision in London Drugs Ltd v Kuehne & Nagel International Ltd is primarily authority for which of the following propositions?

A) A trust can be used to avoid the consequences of the privity of contract doctrine only if the parties actually intended to create a trust.
B) Forbearance to sue may be sufficient consideration even if the underlying claim was not actually valid.
C) In certain circumstances,an employee is entitled to enforce an exclusion clause that is contained in a contract that was created between an employer and a customer.
D) A promise to perform a pre-existing contractual obligation that is owed to one party may provide consideration under a new contract with a different party.
E) Sufficient consideration may consist of either a benefit provided to another person or a detriment to oneself.