大全201

1.        Cardiopulmonary resuscitation should begin between one to four minutes after a cardiac arrest in order to be a success.

(A) Cardiopulmonary resuscitation should begin between one to four minutes after a cardiac arrest in order to be a success.

(B) Between one and four minutes after a cardiac arrest, cardiopulmonary resuscitation should begin to be successful.

(C) Successful cardiopulmonary resuscitation should be begun from one to four minutes after a cardiac arrest occurs.

(D) If it is to be successful, a cardiac arrest should be treated with cardiopulmonary resuscitation one to four minutes afterward.（E）

(E) To be successful, cardiopulmonary resuscitation should begin within one to four minutes after a cardiac arrest.[E]

答案是e,请问nn,e中to be successful是何种用法,其他选项错误在哪

A between用法有误

B CD句意不清或更改原意。E，to   放句首表目的

请NN指正