Answer :
Answer:
The answer is option a.
Explanation:
For this questions, it is necessary to remember the definition independent clause, which refers to a clause that can stand by itself, meaning that it expresses a complete idea or thought. In this case, the group of words We left the room expresses the idea of a group of people (the speaker is part of it) that goes out of a room. Due to this, a is the right answer.