Which of the Following About Case Studies Is FALSE

Which of the following about case studies is FALSE?

A) Case study is not so much a single method as it is a way of thinking about what a qualitative research project can,or perhaps should,focus on.
B) The case may be an organization,community,social group,family,or even an individual.
C) As far as the qualitative researcher is concerned,it must be understood in its specific social context.
D) Case studies focus on variables and hypotheses to figure out how the social world actually functions.