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
本句為特殊疑問句的直接引語，改疑問句語序為陳述語序，一般過去時改為過去完成時。