Reflecting today's world, in which people, images, and information move about as never before, fieldwork must be more flexible and done on a larger scale. The result of such fieldwork is often an ethnography that
A. challenges anthropologists concerned with salvaging isolated and untouched cultures around the world.
B. becomes less useful and valuable to understanding culture.
C. is increasingly multisited and multitimed, integrating analyses of external organizations and forces to understand local phenomena.
D. is more traditional, negating anthropologists' concerns about defending their field's roots.
E. requires researchers to stay at the same site for more than three years.

Ethnography in the modern sense is

C. is increasingly multi sited and multi timed, integrating analyses of external organizations and forces to understand local phenomena

Explanation:

Ethnography has grown from ts murky and somewhat unscientific roots to a genuine and great study of human condition in the modern age.

Nowadays it is not uncommon for a study to g on for decades and have interactions with a group of people for multiple times and for varying duration.

After this is done, there has been a development of a multifaceted and integrated method of valuing the results and gauging their nature through analysis.

answer; rational if melanie values sleep more highly than the benefits she expects to receive from attending the class;