There are two forms for the Imperfect Subjunctive in Spanish. The -se form is considered the traditional form of the imperfect subjunctive, while the -ra is derived from an old Latin indicative form. Both are almost interchangeable in modern Spanish... So yes.
Chorípan
Guacho
Lompa
Piba
Pibe
The answer is A. actively campaigning for and supporting a political candidate.
hope this helps !
