问题
单项选择题
In the former Soviet Union several cases have been reported recently______people who can read and detect colors with their fingers, and even see through solid doors and walls.
A．of
B．on
C．about
D．with
答案
参考答案：A
解析：several cases of people who…have been reported。由于主语的后置定语太长，所以将谓语的移，以避免句子头重脚轻。