Question

The teacher reported to the headmaster how the class meeting ________ the day before．

1. A.
   had been organized
2. B.
   was being organizing
3. C.
   has been organized
4. D.
   was organized

Answer 1

A
本句为特殊疑问句的直接引语，改疑问句语序为陈述语序，一般过去时改为过去完成时。