一道英文题可否解释一下这个蹊跷的选项?second可以作动词?Aftersecondanendlesseffort,thepatientwasfinallyabletocarryoutseemedperfectnormalwalk.A.what,whatB.that,thatC.it,thatD.which,it那为什么第一个空

Question

一道英文题
可否解释一下这个蹊跷的选项?second可以作动词?
After___second an endless effort,the patient was finally able to carry out___seemed perfect normal walk.
A.what,what B.that,that C.it,that D.which,it
那为什么第一个空用what呢？

Answer 1

second做动词解释为：做.助手、支持