As we know cloning implies that we are reproducing a new individual that has the same exact genetic information as the original, cling is a very controversial topic and many things have been discussed in favor and against it, however, one that stands completely apart from other ethical issues, ecologically mass cloning can lead to an extremely reduced genetic variability and make the population vulnerable as happens with some plants like is the case of Agave tequilana. Therefore taking this into consideration we can say that the correct answer is option c.