I think it’s B, since while an actor has a role, a doctor works in medicine, like a teacher would work in a school.
The answer would be a debate. Like a presidential debate.
<span>Mike joined the Army, and he became more disciplined during the training. -is the correct way to rewrite the run-on sentence.</span>
The answer is C. limits the meaning of the word it describes.
It should not be set off by commas, it can occur at the beginning or the end of a sentence, and doesn't function as an adverb.
Example: The man who lives next door is old.
This restrictive clause limits "the man" to say it's specifically the one next door.
Children appreciate gifts provided by nature.
