An Investigator Began with a Precise and Logical Hypothesis

Multiple Choice

An investigator began with a precise and logical hypothesis.He ran a well-planned and well-conducted experiment to test the deduced consequences of this hypothesis.No evidence was found to support the hypothesis.The investigator should report that

A) his study was a failure.
B) the hypothesis was proved false.
C) the hypothesis is probably true but experimental conditions did not permit the effect to be observed.
D) None of these is true.