问题：
[单选题]
《中华人民共和国安全生产法》规定，生产经营单位的（ ）必须具备与本单位所从事的生产经营活动相应的安全生产知识和管理能力。
A、主要负责人和总工程师
B、主要负责人和安全生产管理人员
C、安全生产管理人员和技术负责人
D、主要负责人
参考答案：
B
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