The answer is A because before but there is always a coma
Adverb phrases describe why something is done, or how, or where: they gave more information about the circumstance.
Here it's <span>C. During our second visit - it gives the information about when the relevant action happened. </span>
C. To explain how something began.
The answer to your question is B
A nonsense poem because none of the words or comprehension make sense.