Id have to say if you cold pick 2 I would choose grass clippings and and leaves
The answer is B.
How i know? I just took the quiz and it corrected me since I myself got the question wrong.
'If' acts as the subordinate conjunction, in that it reduces the importance of the first main clause "I will try this new food", and increase the importance of the subordinate clause, "if you will". The subordinate clause "if" also provides the smooth transition between ideas.