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]: Sugar beet is strongly self-sterile setting few or ____ seeds under strict isolation.\Question: Choose the right answer from options given a) three b) no c) five d) nine
[A]: b


[Q]: Couples often date from one to ____ years before getting engaged.\Question: Choose the right answer from options given a) three b) nine c) eight d) seven
[A]: a


[Q]: All cattle have a ____ chambered stomach, consisting of a rumen, reticulum, omasum and abomasum.\Question: Choose the right answer from options given a) ten b) four c) six d) two
[A]:
b