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]: Young emus are very vulnerable to disease until they are about ____ months old.\Question: Choose the right answer from options given a) no b) ten c) six d) three
[EX A]: d

[EX Q]: Black people are four to ____ times more likely to be stopped and searched.\Question: Choose the right answer from options given a) three b) five c) one d) four
[EX A]: b

[EX Q]: Dolphins can hold their breath for up to ____ minutes.\Question: Choose the right answer from options given a) nine b) zero c) seven d) ten
[EX A]:
d