C. Leave it out. That's like saying I like cheese burgers because they are juicy, yummy, and satisfying. Then while in the middle of your paper you say but milkshakes are better then cheese burgers.
Speech because if the second e was not there, then the word would be spech, making the e a short vowel, and float because without the a, float would become flot, once again, making the o a short vowel.