今天，专心致志进行现代化建设的中国人民，更需要有一个长期的和平国际环境和良好的周边环境。
A. Today, the Chinese people, who are committing to their modernization, need more than ever a long-term international environment of peace and a favorable neighboring environment.
B. Today, the Chinese people who are committed to their modernization need more than ever a long-term international environment of peace and a favorable neighboring environment.
C. Today, the Chinese people are committing to their modernization need more than ever a long-term international environment of peace and a favorable neighboring environment.
D. Today, the Chinese people are committed to their modernization need more than ever a long-term international environment of peace and a favorable neighboring environment.