单选题下列关于活动的描述，正确的有（）。A活动一定需要消耗时间和资源B活动不一定需要消耗时间C活动一定需要消耗物资资源D活动一定需要消耗人力
单选题
下列关于活动的描述，正确的有（）。
A
活动一定需要消耗时间和资源
B
活动不一定需要消耗时间
C
活动一定需要消耗物资资源
D
活动一定需要消耗人力
参考解析
解析：
暂无解析
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