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) Sufficient consideration may consist of either a benefit provided to another person or a detriment to oneself.
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) Forbearance to sue may be sufficient consideration even if the underlying claim was not actually valid.
E) 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.