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').
--------
Question: Many soils have ____ major layers or horizons, top soil, subsoil and parent material.\Question: Choose the right answer from options given a) one b) two c) seven d) three

Answer: d


Question: Calves are born ____ and a half months after mating.\Question: Choose the right answer from options given a) six b) ten c) eight d) two

Answer: c


Question: Common shiners are generally three to ____ inches long, but can grow as large as six inches.\Question: Choose the right answer from options given a) no b) four c) nine d) five

Answer:
b