Which Case Is Authority for the Principle That a Trading

Multiple Choice

Which case is authority for the principle that a trading contract will not be enforceable against a minor,even if the terms of the contract are beneficial?

A) Steinberg v Scala (Leeds) Ltd [1923] 2 Ch 452.
B) Mercantile Union Guarantee Corp Ltd v Ball [1973] 2 KB 498.
C) Bojczuk v Gregorcewicz [1961] SASR 128.
D) Scarborough v Sturzaker (1905) 1 Tas LR 117.