. PART A: How does the author develop the primary claim of the
article in paragraph 5?
O A He allows for an important exception to the general
applicability of the argument.
B He affirms the validity of the argument despite information
that might seem to challenge it.
OC He suggests that future research will reveal how critical the
argument is for humanity's survival.
OD He criticizes the way many people in the past have ignored
the persuasiveness of the argument.