Which is the best linking word to make the following sentence correct?

The dog started barking __________ he sensed a threat.A. untilB. becauseC. beforeD. whether

3 answers

because
How can you get better help from peer reviews?A. write better essays B. work as a team C. ask questions
How can you get better help from peer reviews?A. write better essays B. work as a team C. ask questions