The adverb clause in this sentence is 'before class starts', and it modifies 'meet', so A is the correct answer.
1) Are
2) There
3) in
4) have to
5) do
6) lives
7) well
8) have
9)should
10) Can
The answer is B. Hunger is the primary motive that drives humans to wander to greener pastures. I took the test and got it right, hope this helps!
Alliteration
Pink and petals both start with a p, and alliteration is repeating the same letter or sound at the beginning of words that are next to or close to each other.