Answer:
A. Common types of characters
I know one of them 3 and 4
The group of words that qualifies as a dependent clause as written on the options, is letter A. Because there is no evidence. The rest of the sentences are independent clauses. The word 'because' is a kind of conjunction that begins with a dependent clause. Therefore, the answer is letter A.
1.) B. Folk art helps us understand history.
2.) A. Antenna.
3.) C. One result of our discussion