A Nurse Would Like to Do a Research Project That

A nurse would like to do a research project that determines that patients are able to walk to the beverage vending machine and have choices that fulfill their needs. This research project is

A) valid but not realistic.
B) not valid and not pertinent.
C) a nice idea and should be explored further.
D) realistic but not valid.
E) does not contribute to patient care and therefore is not a good research project.