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]: Most spiders have ____ eyes, some only six and several have fewer or none.\Question: Choose the right answer from options given a) ten b) two c) eight d) no
[A]: c


[Q]: Marriage is the legal union of ____ people.\Question: Choose the right answer from options given a) one b) no c) five d) two
[A]: d


[Q]: Transitional milk is secreted between about ____ days and ten days postpartum.\Question: Choose the right answer from options given a) four b) nine c) five d) no
[A]:
a