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').

Chipmunks produce one or ____ litters a year.\Question: Choose the right answer from options given a) three b) one c) ten d) two
d

Giraffes sleep less than ____ hours a day.\Question: Choose the right answer from options given a) two b) six c) seven d) ten
a

Homeless children get sick ____ times as often as children in middle class families.\Question: Choose the right answer from options given a) seven b) zero c) no d) four

d