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]: Circumcisions usually heal within ____ to two weeks.\Question: Choose the right answer from options given a) one b) five c) eight d) nine
[A]: a


[Q]: Lines of force are ____ dimensional, surrounding a bar magnet on all sides.\Question: Choose the right answer from options given a) eight b) three c) zero d) no
[A]: b


[Q]: Clinical depression lasts for at least ____ months.\Question: Choose the right answer from options given a) three b) six c) two d) seven
[A]:
a