Because Miranda, the smallest moon of Uranus, has a large number of different surface features, including craters, mountains, valleys, and fractures, some astronomers suggest that at one time repeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because of mutual gravitational attraction.

• Arepeated impacts broke the surface apart, and after which the fragments were subsequently rejoined because of  
• Brepeated impacts on the surface broke it apart, after which the fragments having rejoined with  
• Cthrough repeated impacts that the surface broke apart, after which the fragments subsequently rejoined by  
• Dthe surface broke apart with repeated impacts, after which the fragments having rejoined through  
• Ethe surface broke apart as a result of repeated impacts, after which the fragments rejoined through