Q: You are presented with the quiz "What can cause connective issues to swell?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "infection can cause bodily tissues to swell" and "connective tissue is the common network for bodily systems and energy pathways". So, what's the best answer to the question?

Pick your answer from:
--infection
--flooding
--smoking
--worms
--water
--bacteria
--zygotes
--air
The answer is:
infection