考博考试

试题来源：考博英语-141
【单选题】 It can be inferred that researchers abandoned the presynaptic hypothesis because______ .
A．a new and more attractive hypothesis was suggested
B．no research was reported that supported the hypothesis
C．research results provided evidence to counter the hypothesis
D．the hypothesis was supported only by studies of animals and not by studies of human beings

参考答案：C
网考网解析：
从第三段的实验结果知道contrary to their expectation... 查看试题解析出处>>