问题补充：
There are severalplans here. Which one do you like best?
A. alternative
B. conservative
C. passive
D. primitive
答案：
(答案→)A. alternative
B. conservative
C. passive
D. primitive
解析：词义辨析题。 A．alternative 选择 B．conservative 保守 C．passive 被动 D．primitive 原始这有几种可供选择的计划，你最喜欢哪一个？根据语境选A
