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【单选题】
党的以来 ,我国科技整体水平从量的增长向质的提升加速转变,步入以跟跑为主向跟跑和并跑、领跑并存的新阶段,重点科技前沿取得了一批具有全球影响力的原创成果.目前,我国在建和投入运行的重大科技基础设施总量已接近50 个,总体水平基本进入国际先进行列,基础设施为载人航天、探月工程、大型客机研制等国家重大科技任务提供支撑.这表明 ( )
A.
我国已成为世界强国
B.
我国不需要科技创新
C.
我国科技总体水平与发达国家相比有很大差距
D.
我国在一些重要领域已走在世界的前列
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参考解析：
刷刷题刷刷变学霸
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