专业、全面、易懂的全领域名词百科

GregWilliamsnowhasthebuyingpowertopurchasethedesktopcomputerthathehaswantedforthelastsixmonths.Greg'swantnowhasbecomea(n)________.

题型：单选题

选项

A. need

B. necessity

C. demand

D. exchanges

E. transaction

正确答案：C