The adverb clause in this sentence is 'before class starts', and it modifies 'meet', so A is the correct answer.
It would be easier to answer if I could the poem
You would refer to the second amendment, which outlines basic gun rights for the United States. Amendment 1 and 3 are on freedoms of speech, press, religion, petition, assembly, and the quartering of soldiers.
Answer:
12. failed to submit a task on time
13. feels unpleasant
