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 bacteria have one or ____ circular chromosomes.\Question: Choose the right answer from options given a) ten b) eight c) six d) two
[A]: d


[Q]: Peonies grow from two to ____ feet in height.\Question: Choose the right answer from options given a) five b) zero c) three d) four
[A]: d


[Q]: Pear trees require ____ to eight years to produce a commercial crop.\Question: Choose the right answer from options given a) nine b) six c) seven d) ten
[A]:
b