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]: Oar boats are smaller than motor boats and can accommodate four to ____ people.\Question: Choose the right answer from options given a) zero b) three c) five d) no
[A]: c

[Q]: Females inherit ____ X chromosomes, one from each parent.\Question: Choose the right answer from options given a) five b) two c) no d) seven
[A]: b

[Q]: Youngsters stay with their parents up to ____ years.\Question: Choose the right answer from options given a) four b) six c) no d) two
[A]:
a