Which of the Following Is Usually the Result of Habitat

Which of the following is usually the result of habitat fragmentation? 

A)  Habitat fragmentation increases the total habitat area and supports a larger breeding population. 
B)  Habitat fragmentation enhances the ability of species to find food and mates. 
C)  Habitat fragmentation isolates some populations into smaller groups that are more vulnerable to disease, predation, and other threats of local extinction. 
D)  Habitat fragmentation is not a problem for most species of plants and animals.