( ), I must do another experiment in the laboratory. A. Be it ever so late B. It is ever so late C. It be ever so late D. So late it be ever 答案选A请告诉我理由吧，谢谢
热心网友
选A,用ever在句首时需要倒装，将谓语助动词Be提前,相当于Though it is ever so late.
热心网友
1、前后主语必须一致，B，C均排除2、省略though的倒装句
热心网友
有ever时需要倒装，倒装时需将谓语助动词提前倒装
热心网友
这是个倒装句=though it is ever so late