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: 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

A: d
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Q: Plants have at least ____ sHSP gene families which comprise a large multigene family.\Question: Choose the right answer from options given a) zero b) eight c) five d) seven

A: c
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Q: All azaleas have ____ lobes to the flower.\Question: Choose the right answer from options given a) five b) nine c) no d) three

A:
a
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