Question

I felt surprised that anyone of his intelligence    such an easy test.

A．might have failed	B．could have failed
C．should have failed	D．must have failed

Answer 1

C

试题分析：句意：.我感到惊讶是象他这样智力的人居然连如此简单的测试都没有通过。might have failed可能没通过；could have failed有可能没通过；must have failed一定没通过；should在这里表示惊讶的态度。故选C。
考点: 考查情态动词表推测的用法。