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 animals use two or ____ forest structure types.\Question: Choose the right answer from options given a) eight b) zero c) two d) three

A: d
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Q: Healthcare providers diagnose ____ general types of insomnia.\Question: Choose the right answer from options given a) two b) eight c) one d) three

A: a
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Q: Spiders have ____ body regions cephalothorax and abdomen.\Question: Choose the right answer from options given a) four b) zero c) two d) five

A:
c
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