I am pretty sure that it is c Research shows that no one style is always more effective.
B is the answer I am not really sure
Because it is your personal opinion & judgement
Answer:
?! This sentence has no subordinate clause. In fact, it lacks a subordinating conjunction.
Explanation:
Do note that it IS possible to rewrite this sentence to CREATE a subordinating clause, but there is no subordinate clause that can be moved -- based on the sentence you have provided.
Some examples:
<em>After </em>clothes become too worn to be sold, they can be shredded and reprocessed into new items.
<em>Whenever </em>clothes become too worn to be sold, they can be shredded and reprocessed into new items.
<em>Once </em>clothes become too worn to be sold, they can be shredded and reprocessed into new items.