Which of the Following Are Key Features of Science

Which of the following are key features of science?

A) Controlled observations, relatively objective data, testing theoretical predictions, falsifiability, replicability of findings, absence of a paradigm
B) Controlled observations, relatively subjective data, testing theoretical predictions, falsifiability, replicability of findings, use of a paradigm
C) Controlled observations, relatively objective data, testing theoretical predictions, falsifiability, replicability of findings, use of a paradigm
D) Controlled observations, relatively objective data, accepting theoretical predictions, falsifiability, replicability of findings, use of a paradigm
E) None of these