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
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