Ofthe9500driverssincethebeginningoftheyear,23%werefoundroadknowledge.A.tested...lackingB.tested...lackedC.havingbeentasted...tolackD.tohavebeentested...lack请问第一格能填havingbeentested吗,请写明原因谢谢

Question

Of the 9500 drivers ___ since the beginning of the year,23% were found ___ road knowledge.
A.tested...lacking B.tested...lacked
C.having been tasted...to lack D.to have been tested...lack
请问第一格能填having been tested吗,请写明原因谢谢

Answer 1

不能用having been tested.这句前面有个of,说明后面的是定语.整个句子还原就是：23% of the 9500 drivers (which were) tested since the beginning of the year were found lacking road knowledge.如果你用having ...