GWD TN16 10 sc，41

GWD TN16 10 sc，41

A. but she set a record for speed as well, by swimming the distance in almost two hours faster than anyone had yet done.

B. but also set a record for speed, swimming the distance almosttwo hours faster than anyone had yet done.

C. but also swam the distance in almost two hours faster thananyone had yet done, and setting a record for speed

D. but also setting a record for speed by swimming the distance inalmost two hours faster than anyone had yet done.

E. but, swimming the distance almost two hours faster than anyonehad yet done, she also set a record for speed.

这道题C为什么不行 答案是B   这个B里面set a record for speed和swim不是动作有先后么，只有完成了swimming才能打破记录啊， 所以要用and连接：分词做伴随典型的错误吗、？、 请NN解释下

2：

    

Researchers hypothesize that granitic soil is the ideal construction material for the desert tortoise because it is not so hard that it makes burrowing difficult or so soft that it could cause tunnels to collapse.

A. so hard that it makes burrowing difficult or so soft that it could cause

B. hard enough to make burrowing difficult or soft enough as to cause

C. so hard as to make burrowing difficult or soft enough so it causes

D. as hard as to make burrowing difficult or as soft as to cause

这题为什么选A C怎么不行