Given a sentence with a missing word, pick the answer option that best fills out the missing word in the sentence. Indicate each answer with its index ('a', 'b', 'c', 'd').

[Q]: Pelicans use ____ different ways to feed.\Question: Choose the right answer from options given a) no b) nine c) one d) two
[A]: d


[Q]: Echinoderms usually have ____ appendages, but there are some exceptions.\Question: Choose the right answer from options given a) ten b) five c) seven d) three
[A]: b


[Q]: Nonverbal communication is present even if there are ____ words being spoken.\Question: Choose the right answer from options given a) six b) two c) no d) ten
[A]:
c