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]: Vaccinated newborns have protection for at least ____ years.\Question: Choose the right answer from options given a) four b) five c) two d) no
[EX A]: b

[EX Q]: Honeybees have ____ jobs.\Question: Choose the right answer from options given a) ten b) one c) three d) two
[EX A]: d

[EX Q]: Women normally have ____ ovaries.\Question: Choose the right answer from options given a) ten b) no c) four d) two
[EX A]:
d