单项选择题
A．A description of a replicable experiment
B．A summary report of new findings
C．A recommendation for pursuing a new area of research
D．A refutation of an earlier hypothesis
E．A confirmation of an earlier research
单项选择题 According to the passage, behavioral psychologists studying the extinction process have discerned which of the following（）
单项选择题 According to the passage, "infralimbic neurons … fire to the tone only when rats are recalling extinction on the following day" for which of the following reasons（）
单项选择题 SOLDIER: COUNTRY::（）