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').

[Q]: Righteousness always points in ____ directions.\Question: Choose the right answer from options given a) six b) two c) one d) four
[A]: b


[Q]: Most bacteria have one or ____ circular chromosomes.\Question: Choose the right answer from options given a) ten b) eight c) six d) two
[A]: d


[Q]: Summers are hot and dry, winters intensely cold, with snow sometimes lying up to ____ months.\Question: Choose the right answer from options given a) ten b) three c) eight d) zero
[A]:
b