Which Statement Best Describes the Role That Logical Positivism Plays

Which statement best describes the role that logical positivism plays in modern philosophical thought about nursing science and science in general?

A) It remains at the forefront of the understanding of science and dictates the ways in which scientific research is performed.
B) It works in concert with humanistic philosophies of science, with the opposing ideologies functioning as a system of philosophical checks and balances.
C) It no longer holds sway over the sciences, but its influence is so deeply ingrained in the field that it continues to impact modern ideas about science.
D) It has been completely discredited by postmodern philosophers and is regarded as a flawed relic of past scientific thinking.