GWD-TN-24 Q29 请教牛人们

davidcymac88

    

Q29: PP78.

    

As it is with
traditional pharmacies, online drugstores rely on prescriptions to be
successful, since it is
primarily prescriptions that attract the customers, who then also buy other
health-related items.

    

 

    

A.   
As it is with traditional pharmacies, online drugstores rely on
prescriptions to be successful

    

B.   
As with the case of traditional pharmacies, online drugstores rely on
prescriptions to have success

    

C.   
As is the case with traditional pharmacies, prescriptions are the
cornerstone of a successful online drugstore

    

D.   
As traditional pharmacies, so online drugstores rely on prescriptions to
be successful

    

E.     Like traditional pharmacies, the
cornerstone of a successful online drugstore is prescriptions

答案是C,不太明白,请指教

edmundshi

A中it指代不明

As后面要跟句子，B、D错

E中cornerstone和traditional pharmacies不能构成比较对象

As is the case with是个Idiom，意为“如同”