The simple past tense is used to ask about a completed political action in the past. 'Did' is the auxiliary verb for forming questions in the simple past tense.
La respuesta correcta es 'did'.
| Question | Why ... your partners changed their final decision? | 
|---|---|
| Title | 886 | 
| QType (0=kprim,1=mc,2=sc) | 2 | 
| Q_1 | have | 
| Q_2 | did | 
| Q_3 | were | 
| Answers | 1 0 0 | 
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