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]: Urea cycle requires the coordination of ____ different tissues.\Question: Choose the right answer from options given a) two b) four c) nine d) zero
[A]: a


[Q]: Oranges signify good health, and the number ____ sounds like the word for prosperity .\Question: Choose the right answer from options given a) six b) four c) five d) eight
[A]: d


[Q]: Woman are ____ times more likely than men to suffer from migraines.\Question: Choose the right answer from options given a) one b) four c) three d) five
[A]:
c