Final answer:
The sentence that best develops the central idea of the article on NASA's mission to Mars, emphasizing the importance of collaboration, is A) NASA's recent announcement underscores the collaborative effort required for a successful Mars mission.
Step-by-step explanation:
The sentence that best develops a central idea of NASA's collaborative effort to put a human on Mars is option A) NASA's recent announcement underscores the collaborative effort required for a successful Mars mission. This sentence highlights the theme of collaboration and teamwork as essential components of space exploration missions.
It directly addresses the complexity of sending humans to Mars and the need for a joint effort, reflecting the collaborative nature of contemporary space exploration as mentioned in the various activities suggested for groups, such as planning for Mars colonization and the implications of finding life on Mars. The other sentences, while related to the topic, either focus on specific details (B), consequences of solo missions (C), or general determination in the face of skepticism (D), without explicitly developing the central idea of collaboration.