题目选项分析

In July 1965 Mariner IV passed by Mars and took the first-ever close-up photographs of another planet, which showed the Martian surface as a dry, apparently dead one, which was pockmarked with craters such as the Moon's.

In July 1965 Mariner IV passed by Mars and took the first-ever close-up photographs of another planet, photos that showed a dry, apparently dead Martian surface pockmarked with craters like those on the Moon.