Dependent clauses are groups of words with a subject and a verb that don't express a complete thought so they need to be accompanied by another part.
Here the answer is "since su nam keeps growing taller,"
See, by itself it is incomplete, it doesn't make a lot of sense.
In "Check," what is the one thing that Night cannot do is "<span>C.put out the speaker's candle" since this is a job reserved for the wind, which comes in later. </span>
Answer:
A. One shot fades and blends smoothly into another.