Subordination means that one clause to another establishes that one idea depends on another in some way: a chronological development, a cause-and-effect relationship, a conditional relationship, etc. A participial phrase will begin with a present or past participle. To use them as a method of subordination, the participial phrase modifies the subject of the sentence, usually set out from the rest of the sentence with a comma. This is represented by the first option<em> “A. Walking along the wet street, David avoided the puddles” </em>from the ones given, due to the fact one sentence implies the other, starts with the present participle and both ideas are linking by a comma.
Answer: The churro's worth was pretty high in Spain. After it came to the United States it still had some worth but as time went on they found out they could not make clothes with its coarse wool. So they used the sheep for mutton instead.
