GWD-9-Q15: Dressed as a man and using the name Robert Shurtleff, Deborah Sampson, the first woman to draw a soldier’s pension, joined the Continental Army in 1782 at the age of (22, was injured three times, and was discharged in 1783 because she had become) too ill to serve. A. 22, was injured three times, and was discharged in 1783 because she had become B. 22, was injured three times, while being discharged in 1783 because she had become C. 22, and was injured three times, and discharged in 1783, being D. 22, injured three times, and was discharged in 1783 because she was E. 22, having been injured three times and discharged in 1783, being
GMAT里面过去完成式与过去式连用不会单独出现(至少我没见过),换句话说就是要有明确的对比来指出过去的过去,才能够用过去完成式。这句话里除去母句was injured three times之外并没有任何分句表示出过去式来给母句做对比,故母句不应该用过去完成时而应该用过去式。 另外,过去完成式其别的考试/语境里面会单独出现,但一定是符合一个前提:明确了这个状态/事件/习惯是发生在过去的过去。