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').

Altimetric satellites are usually limited life missions lasting approximately three to ____ years.\Question: Choose the right answer from options given a) five b) ten c) four d) eight
b

Diploid cultivars have ____ alleles.\Question: Choose the right answer from options given a) eight b) six c) two d) five
c

Democracy is ____ wolves and a sheep voting on lunch.\Question: Choose the right answer from options given a) eight b) four c) seven d) two

d