The old woman is said ---to her children last monthA to sent B to be sent C to have been sent

问题描述:

The old woman is said ---to her children last month
A to sent B to be sent C to have been sent

B
采用被动
be said to do sth/have done
A 应用被动
C应用 to has been sent

据说老妇人上个月已经被送到她的孩子那里了.
be said to do 据说做某事
由于在last month之前已经发生的事情,所以要用完成时态,选C to have been sent