In the context of the passage as a whole, the first sentence of the third paragraph ("Yet ... can dom) marks the transition between A
a brief summary of a debate and a substantive analysis of that debate's origins
B
an empirical investigation and a consideration of its theoretical implications
C
a description of a problem and an assessment of potential solutions
D
an explanation of a viewpoint and a rebuttal of that viewpoint
E
a challenge to a popular thesis and an argument in favor of that thesis