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]: Most resistors have three coloured bands close together at one end and ____ single band at the other.\Question: Choose the right answer from options given a) two b) one c) ten d) five
[A]: b


[Q]: Woodchucks produce about ____ young and virtually all females breed annually.\Question: Choose the right answer from options given a) ten b) four c) no d) six
[A]: b


[Q]: Eagles usually start to breed at ____ to nine years of age.\Question: Choose the right answer from options given a) one b) four c) six d) ten
[A]:
b