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]: Parliamentary democracy is less than ____ years old in Nigeria.\Question: Choose the right answer from options given a) eight b) two c) nine d) three
[EX A]: b

[EX Q]: All cattle have a ____ chambered stomach, consisting of a rumen, reticulum, omasum and abomasum.\Question: Choose the right answer from options given a) ten b) four c) six d) two
[EX A]: b

[EX Q]: Fire salamanders give birth to ____ to thirty larvae.\Question: Choose the right answer from options given a) nine b) five c) ten d) one
[EX A]:
c