okay, so with the link we can tell this:
flour and baking soda are equal ratios
salt is one half the ratio of flour/baking soda
A: correct
flour and baking soda as equal ratios
B: incorrect
salt is at an incorrect ratio to flour
C: correct
salt is at a correct ratio to baking soda
D: incorrect
salt is at an incorrect ratio to baking soda
E: correct
baking soda is at a correct ratio to salt
answers: A, C , E