Which of the following best describes the organization of the argument that the author of the passage presents in the last two paragraphs?
A.
Two approaches to testing a hypothesis is described,and the greater merits of each approach are compared.
B.
The assumptions underlying a hypothesis all outlined,and evidence for and against the hypothesis is discussed.
C.
A phenomenon is described, and hypothesis concerning its occurrence are considered and rejected.
D.
A hypothesis is discussed, evidence supporting the hypothesis is revealed and qualified, and a working model derived from the hypothesis is suggested.