The answer should be 4 syllables
a-gree-a-ble
i did the clap thing
I think is C. I'm not sure. Sorry if I'm wrong
I also agree that the answer is B: whom
in this sentence you are using the preposition + whom grammar structure. Whom is considered an object pronoun and is used when asking who will receive the action, which in this case, I believe is, baking those cookies. Hopefully this makes sense and good luck.
4. All of the Above. A good summary should have details.