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').

[EX Q]: Twin souls are the last ____ souls to individualize.\Question: Choose the right answer from options given a) two b) ten c) zero d) six
[EX A]: a

[EX Q]: Baby elephants are usually dependent on mother s milk for at least ____ years.\Question: Choose the right answer from options given a) six b) three c) two d) seven
[EX A]: b

[EX Q]: Mice have ____ leg-foot assemblies and one tail assembly per body.\Question: Choose the right answer from options given a) four b) eight c) nine d) zero
[EX A]:
a