consider 用法His invention ______ of no use by the scientists of that time．A．considered being B．considered to be C．was considered to be D．was considered being这题为什么选D而不选C?

suggest,insist,consider,用法 Consider,的用法. 求consider 的用法 问 consider的用法 consider的用法 consider 的用法 consider的用法 consider用法类似的动词 请解释一下consider的用法 consider的用法归纳详细 consider用法be consider sth 中间加不加as啊? think over consider用法上的区别 consider得用法和意思英语语法知识 consider的用法都有哪些 consider的用法,特别是被动态 关于“consider”的用法有哪些? 关于“consider”的用法有哪些? consider