The answer would be B. Setting your on goals. Also if you could mark me brainiest if this helped you that would be great.
I assume you meant clearing?
He was upset because Lennie had killed a mouse, and it was in his pocket. He did not want them to get in trouble because of Lennie's child-like mind and actions. He orders Lennie to be good at their new destination, so they don't get in trouble there, too.
A. To join independent clauses when the second clause explains the first.
Which one of what? You don't say the choices:)
Option A) "The rhinoceros lowered its head and charged" is a single sentence since it does not have any coordinating or subordinating clauses. It has a subject (the rhinoceros) and a predicate (lowered its head and charged).
Option B is a compound sentence since it has two independent clauses that are joined by a coordinating conjunction (and)
Option C) is also a compound sentence since it has two independent clauses joined by a semicolon.
So the correct option is A)