英语高一选择题.、NOT ONLY,BUT ALSO.NOT ONLY _____ TO US THE IMPORTANCE OF DOING THE WORK BUT THEY ALSO TOLD US THE BEST WAY TO DO IT.A.did they explain B.they explained C.they explain D.had they explained

英语高一选择题.、NOT ONLY,BUT ALSO.
NOT ONLY _____ TO US THE IMPORTANCE OF DOING THE WORK BUT THEY ALSO TOLD US THE BEST WAY TO DO IT.
A.did they explain B.they explained C.they explain D.had they explained

A.did they explain倒装和并列