13) Which best describes the connection drawn between the moon and Mars in this passage ? A) NASA is working to secure a manned mission to Mars before working on building a permanent base on the moon. B) NASA is moving all its resources from studying and traveling to the moon to pursuing an astronaut journey to Mars. C) NASA has high hopes of establishing a permanent human base on the moon, but does not believe that a human residence on Mars is possible . D) NASA hopes that by establishing a moon orbiting platform as a base, humanity can then move forward from there to putting humans on Mars.