Most members of the committee were in favour of the suggestion; only a(n) _____ were against it. [ ]

A. majority　　　　　　　　

B. minority

C. quantity

D. amount

ISDN的一个突出贡献是服务能力，特别是从服务描述开始到 【3】 的三个阶段是对网络技术理论的又一重要发展。