Think about the physical message you're sending. ...
Be positive and energetic. ...
Use numbers whenever possible. ...
Be specific about your accomplishments. ...
Tailor your pitch to the situation and the person. ...
Don't ramble.
The answer would be began because if a barricade fell down in the middle of a confrontation and there is something that has to do with a riot it would only make sense that a riot would happen which the answer would be began.
A. Is the spiritual answer
An adverb clause is a subtype of subordinate/dependent clauses, meaning that it cannot exist on its own, outside of the main, independent clause. In these examples, there are several dependent clauses, in A, C, and D, however, only in C there is an adverb clause 'when we go to the store'.
In the other examples, there are only adjective clauses.
So, the correct answer is C.