The answer is A. “Researchers' estimates of the actual number vary from three hundred to six thousand, but everyone knows that ads are everywhere.” (paragraph 1)
Explanation:
Conjunctions link grammatical elements. In the case of the coordinating conjunctions, which includes and, but, or, yet, etc., these are mainly used to coordinate or join elements of the same rank. This applies to complete ideas known as independent clauses, which creates compound sentences.
This can be seen in sentence A because this contains the coordinating conjunction "but". Also, you can know this is a coordinating conjunction because each of the clauses "but" joins is a complete idea or independent clause.
You wrote all of them in lower case, so I can't really help you. They're all the same. Look at the question again and please correct it so that I can help
The correct answer would be D, 'sprang', because the conjugation of the verb to spring goes: spring - sprang - sprung; it is an irregular verb, so springed and spranged are not options. In be, past perfect tense is unnecessary, so D is correct.
I think the answer its D.
Answer: i think it is c .
Explanation: