Since it is a command subjunctive verb question. Therefore, the correct form of verb will be 1st form of verb and the plural version of the verb irrespective of the subject.
'it' refers back to platoon which is singular still the verb will be plural i.e. complete. Therefore option C
'it' refers back to platoon which is singular still the verb will be plural i.e. complete. Therefore option C
![FLO – Therapy at the Club – Pre-Single [iTunes Plus M4A]](http://is1-ssl.mzstatic.com/image/thumb/Music221/v4/a4/11/88/a41188ed-0f2e-e8d5-1163-d59e373cc58c/26UMGIM30046.rgb.jpg/208x208bb.webp)
