China’s hurdler Liu Xiang was disqualified due to false start in the 60-metre event, ______ his rival Dayron Robles of Cuba an easy win of 7.66 seconds.

A．giving

B．given

C．to give

D．gave

关于Ganser综合征的说法，正确的是（）。

A.属于痴呆

B.属于假性痴呆

C.对简单的问题给予近似而错误的回答

D.对某些复杂问题可以自己解决

E.预后较差