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]: Mountain goats have ____ sharp horns.\Question: Choose the right answer from options given a) two b) six c) ten d) four
[EX A]: a

[EX Q]: Ants have ____ noses.\Question: Choose the right answer from options given a) zero b) eight c) five d) three
[EX A]: c

[EX Q]: Evolutionists note ____ major periods of mass extinction in the fossil record.\Question: Choose the right answer from options given a) four b) nine c) ten d) five
[EX A]:
d