Breakdown of shitsumon o kurikaeshita.

Questions & Answers about shitsumon o kurikaeshita.
It is read:
しつもん を くりかえした。
Romanization: shitsumon o kurikaeshita
A couple of useful points:
- 質問 = しつもん
- The particle を is written wo in romanization, but in modern Japanese it is pronounced o
- 繰り返した = くりかえした
を marks the direct object of the verb.
Here, 繰り返した means repeated, so the thing being repeated is 質問. That is why Japanese uses:
質問を繰り返した
So the structure is basically:
- 質問 = question
- を = marks it as the object
- 繰り返した = repeated
In other words, the question is the thing that got repeated.