Answer: B. Fixing the errors and resubmitting it.
Step-by-step explanation:
A peer- review is the process of examination of a research piece by people who exhibit the knowledge of the discipline or the subject in which the research has been conducted. In this process the mistakes and errors in the research report are identified by the reviewer and the discussed with the researcher so that these mistakes and errors can be corrected.
Among the given, options B. Fixing the errors and resubmitting it. is the correct option. This is because of the fact that several reviewers had a problem with the way the methods of the Carla paper were written. This means there may be several errors which were responsible for the problem. Thus identified errors should be fixed and the report should be resubmitted again.