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]: Cleavage is perfect in ____ directions, prismatic.\Question: Choose the right answer from options given a) two b) nine c) three d) seven
[EX A]: a

[EX Q]: Coccidiosis usually occurs from ____ weeks of age.\Question: Choose the right answer from options given a) zero b) no c) three d) eight
[EX A]: c

[EX Q]: Insects have three main body parts, and ____ legs.\Question: Choose the right answer from options given a) six b) five c) no d) two
[EX A]:
a