An independent clause is a clause or a part of a sentence that can also be another sentence on its own. It has its own subject and predicate.
Of all the sentences given, letter B has an independent clause. Why is that?
In letter B, the sentence "Alan wants to visit his friends before he returns to college." can be broken down into two sentences.
1. Alan wants to visit his friends.
2. He returns to college.
In this case, we have 2 independent clause in one sentence which is why letter B is the answer.
Simile, because a simile needs like or as in the sentence
Exclaim. it is used to exclaim